Sample Information
| Argentina | 1970 · 1980 · 1991 · 2001 · 2010 | Hungary | 1970 · 1980 · 1990 · 2001 · 2011 | Peru | 1993 · 2007 |
| Armenia | 2001 · 2011 | Iceland | 1703 · 1729 · 1801 · 1901 · 1910 | Philippines | 1990 · 1995 · 2000 · 2010 |
| Austria | 1971 · 1981 · 1991 · 2001 · 2011 | India | 1983 · 1987 · 1993 · 1999 · 2004 · 2009 | Poland | 1978 · 1988 · 2002 · 2011 |
| Bangladesh | 1991 · 2001 · 2011 | Indonesia | 1971 · 1976 · 1980 · 1985 · 1990 · 1995 · 2000 · 2005 · 2010 | Portugal | 1981 · 1991 · 2001 · 2011 |
| Belarus | 1999 · 2009 | Iran | 2006 · 2011 | Puerto Rico | 1970 · 1980 · 1990 · 2000 · 2005 · 2010 |
| Benin | 1979 · 1992 · 2002 · 2013 | Iraq | 1997 | Romania | 1977 · 1992 · 2002 · 2011 |
| Bolivia | 1976 · 1992 · 2001 | Ireland | 1971 · 1979 · 1981 · 1986 · 1991 · 1996 · 2002 · 2006 · 2011 | Rwanda | 1991 · 2002 · 2012 |
| Botswana | 1981 · 1991 · 2001 · 2011 | Israel | 1972 · 1983 · 1995 | Saint Lucia | 1980 · 1991 |
| Brazil | 1960 · 1970 · 1980 · 1991 · 2000 · 2010 | Italy | 2001 · 2011 | Senegal | 1988 · 2002 |
| Burkina Faso | 1985 · 1996 · 2006 | Jamaica | 1982 · 1991 · 2001 | Sierra Leone | 2004 |
| Cambodia | 1998 · 2008 | Jordan | 2004 | Slovenia | 2002 |
| Cameroon | 1976 · 1987 · 2005 | Kenya | 1969 · 1979 · 1989 · 1999 · 2009 | South Africa | 1996 · 2001 · 2007 · 2011 |
| Canada | 1852 · 1871 · 1881 · 1891 · 1901 · 1911 · 1971 · 1981 · 1991 · 2001 · 2011 | Kyrgyz Republic | 1999 · 2009 | South Sudan | 2008 |
| Chile | 1960 · 1970 · 1982 · 1992 · 2002 | Lesotho | 1996 · 2006 | Spain | 1981 · 1991 · 2001 · 2011 |
| China | 1982 · 1990 · 2000 | Liberia | 1974 · 2008 | Sudan | 2008 |
| Colombia | 1964 · 1973 · 1985 · 1993 · 2005 | Malawi | 1987 · 1998 · 2008 | Sweden | 1880 · 1890 · 1900 · 1910 |
| Costa Rica | 1963 · 1973 · 1984 · 2000 · 2011 | Malaysia | 1970 · 1980 · 1991 · 2000 | Switzerland | 1970 · 1980 · 1990 · 2000 |
| Cuba | 2002 | Mali | 1987 · 1998 · 2009 | Tanzania | 1988 · 2002 · 2012 |
| Denmark | 1787 · 1801 | Mexico | 1960 · 1970 · 1990 · 1995 · 2000 · 2005 · 2010 · 2015 | Thailand | 1970 · 1980 · 1990 · 2000 |
| Dominican Rep. | 1960 · 1970 · 1981 · 2002 · 2010 | Mongolia | 1989 · 2000 | Trinidad and Tobago | 1970 · 1980 · 1990 · 2000 · 2011 |
| Ecuador | 1962 · 1974 · 1982 · 1990 · 2001 · 2010 | Morocco | 1982 · 1994 · 2004 | Turkey | 1985 · 1990 · 2000 |
| Egypt | 1986 · 1996 · 2006 | Mozambique | 1997 · 2007 | Uganda | 1991 · 2002 |
| El Salvador | 1992 · 2007 | Nepal | Ukraine | 2001 | |
| Ethiopia | 1984 · 1994 · 2007 | Netherlands | 1960 · 1971 · 2001 · 2011 | United Kingdom | 1851a · 1851b · 1851c · 1861a · 1861b · 1871b · 1881a · 1881b · 1891a · 1891b · 1901a · 1901b · 1911 · 1991 · 2001 |
| Fiji | 1966 · 1976 · 1986 · 1996 · 2007 | Nicaragua | 1971 · 1995 · 2005 | United States | 1850a · 1850b · 1860 · 1870 · 1880a · 1880b · 1900 · 1910 · 1960 · 1970 · 1980 · 1990 · 2000 · 2005 · 2010 · 2015 |
| France | 1962 · 1968 · 1975 · 1982 · 1990 · 1999 · 2006 · 2011 | Nigeria | 2006 · 2007 · 2008 · 2009 · 2010 | Uruguay | 1963 · 1975 · 1985 · 1996 · 2006 · 2011 |
| Germany | 1819 · 1970 · 1971 · 1981 · 1987 | Norway | 1801 · 1865 · 1875 · 1900 · 1910 | Venezuela | 1971 · 1981 · 1990 · 2001 |
| Ghana | 1984 · 2000 · 2010 | Pakistan | 1973 · 1981 · 1998 | Vietnam | 1989 · 1999 · 2009 |
| Greece | 1971 · 1981 · 1991 · 2001 · 2011 | Palestine | 1997 · 2007 | Zambia | 1990 · 2000 · 2010 |
| Guinea | 1983 · 1996 | Panama | 1960 · 1970 · 1980 · 1990 · 2000 · 2010 | Zimbabwe | 2012 |
| Haiti | 1971 · 1982 · 2003 | Papua New Guinea | 1980 · 1990 · 2000 | ||
| Honduras | 1961 · 1974 · 1988 · 2001 | Paraguay | 1962 · 1972 · 1982 · 1992 · 2002 |
| Sample Design | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Argentina 1970 | 2.0 | 129,728 | 466,892 | no | de facto | 30-09-70 | department | yes | |
| Argentina 1980 | 10.0 | 672,062 | 2,667,714 | yes | de facto | 22-10-80 | department | yes | |
| Argentina 1991 | 10.0 | 1,199,651 | 4,286,447 | yes | de facto | 15-05-91 | department | yes | Missing data for several key variables requires use of alternative weight |
| Argentina 2001 | 10.0 | 1,040,852 | 3,626,103 | no | de facto | 17/18-11-01* | department | yes | |
| Argentina 2010 | 10.0 | 1,217,166 | 3,966,245 | no | de facto | 27-10-10 | department | no | |
| Armenia 2001 | 10.0 | 81,929 | 326,560 | no | de jure | 09-10-01 | province | no | |
| Armenia 2011 | 10.0 | 76,318 | 301,831 | no | de jure | 12-10-11 | province | no | |
| Austria 1971 | 10.0 | 264,655 | 749,894 | no | de jure | 12-05-71 | NUTS3 region | yes | |
| Austria 1981 | 10.0 | 283,693 | 756,556 | no | de jure | 12-05-81 | NUTS3 region | yes | |
| Austria 1991 | 10.0 | 310,099 | 780,512 | no | de jure | 15-05-91 | NUTS3 region | yes | |
| Austria 2001 | 10.0 | 341,035 | 803,471 | no | de jure | 15-05-01 | NUTS3 region | yes | |
| Austria 2011 | 10.0 | 375,236 | 839,501 | no | de jure | 31-10-11 | NUTS3 region | yes | |
| Bangladesh 1991 | 10.0 | 1,971,124 | 10,580,904 | no | de facto | 12-03-91 | upazila | yes | |
| Bangladesh 2001 | 10.0 | 2,625,959 | 12,442,115 | no | de facto | 23-01-01 | upazila | yes | |
| Bangladesh 2011 | 5.0 | 1,654,631 | 7,205,720 | no | de facto | 15-03-11 | upazila | yes | |
| Belarus 1999 | 10.0 | 385,508 | 990,706 | no | de jure | 16-02-99 | region | no | |
| Belarus 2009 | 10.0 | 387,320 | 940,594 | no | de jure | 14-10-09 | region | yes | |
| Benin 1979 | 10.0 | 61,118 | 331,883 | no | de facto | 20-03-79 | commune | yes | |
| Benin 1992 | 10.0 | 83,344 | 498,419 | no | de facto | 15-02-92 | commune | yes | |
| Benin 2002 | 10.0 | 121,223 | 685,467 | no | de facto | 11-02-02 | commune | yes | |
| Benin 2013 | 10.0 | 180,621 | 1,009,693 | no | de facto | 11-05-13 | commune | yes | |
| Bolivia 1976 | 10.0 | 121,378 | 461,699 | no | de facto | 10-07-76 | province | yes | |
| Bolivia 1992 | 10.0 | 177,926 | 642,368 | no | de facto | 03-06-92 | province | yes | |
| Bolivia 2001 | 10.0 | 239,475 | 827,692 | no | de facto | 01-09-01 | province | yes | |
| Botswana 1981 | 10.0 | 18,307 | 97,238 | no | de facto | 12-08-81 | district | yes | |
| Botswana 1991 | 10.0 | 29,241 | 132,623 | no | de facto | 14-08-91 | district | yes | |
| Botswana 2001 | 10.0 | 42,375 | 168,676 | no | de facto | 08-01 | district | yes | |
| Botswana 2011 | 10.0 | 61,792 | 201,752 | no | de facto | 22-08-11 | district | yes |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Brazil 1960 | 5.0 | 613,273 | 3,001,439 | no | both | 01-09-60 | state | yes | Excludes 11 states in the north |
| Brazil 1970 | 5.0 | 1,022,207 | 4,953,759 | yes | both | 01-09-70 | state | yes | |
| Brazil 1980 | 5.0 | 1,343,377 | 5,870,467 | yes | de jure | 01-09-80 | municipality | yes | |
| Brazil 1991 | 5.8 | 2,012,276 | 8,522,740 | yes | de jure | 01-09-91 | municipality | yes | |
| Brazil 2000 | 6.0 | 2,652,356 | 10,136,022 | yes | de jure | 01-08-00 | municipality | yes | |
| Brazil 2010 | 5.0 | 2,907,278 | 9,693,058 | yes | de jure | 01-08-10 | municipality | yes | |
| Burkina Faso 1985 | 10.0 | 145,269 | 884,797 | no | both | 10/20-12-85 | province | no | |
| Burkina Faso 1996 | 10.0 | 163,177 | 1,081,046 | no | both | 10/20-12-96 | province | no | |
| Burkina Faso 2006 | 10.0 | 236,206 | 1,417,824 | no | both | 9/23-12-06 | commune | no | |
| Cambodia 1998 | 10.0 | 223,513 | 1,141,254 | no | de facto | 03-05-98 | district | yes | |
| Cambodia 2008 | 10.0 | 289,562 | 1,340,121 | no | de facto | 03-03-08 | district | yes | |
| Cameroon 1976 | 10.0 | 160,144 | 736,514 | no | both | 9/24-04-76 | arrondissement | yes | |
| Cameroon 1987 | 10.0 | 175,646 | 897,211 | no | both | 14/28-04-87 | arrondissement | yes | |
| Cameroon 2005 | 10.0 | 345,363 | 1,772,359 | no | both | 11-11-05 | arrondissement | yes | |
| Canada 1852 | 20.0 | 38,623 | 248,543 | yes | both | 11-01-52 | subdistrict | no | Includes both de jure and de facto concepts; use RESIDENT variable to prevent double-counting some persons. Data are missing from several sub-districts, including Montreal and Toronto. Urban areas are underrepresented. |
| Canada 1871 | 5.0 | 11,326 | 62,276 | yes | de jure | 02-04-71 | province | no | |
| Canada 1881 | 100.0 | 799,450 | 4,278,174 | no | de jure | 04-04-81 | district | no | |
| Canada 1891 | 9.0 | 73,742 | 433,270 | yes | de jure | 06-04-91 | district | yes | Composed of three subsamples: 5% , 10% and 100% |
| Canada 1901 | 5.0 | 52,782 | 264,686 | no | de jure | 31-03-01 | province | yes | |
| Canada 1911 | 5.0 | 77,997 | 371,373 | no | de jure | 01-06-11 | district | yes | |
| Canada 1971 | 1.0 | n.a. | 214,019 | no | de jure | 01-06-71 | province | yes | Persons not organized into households |
| Canada 1981 | 2.0 | n.a. | 486,875 | no | de jure | 03-06-81 | province* | yes | Persons not organized into households |
| Canada 1991 | 3.0 | n.a. | 809,654 | no | de jure | 04-06-91 | province* | no | Persons not organized into households |
| Canada 2001 | 2.7 | n.a. | 801,055 | yes | de jure | 15-05-01 | province* | no | Persons not organized into households |
| Canada 2011 | 2.7 | 370,192 | 925,564 | yes | de facto | 10-05-11 | province | no |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Chile 1960 | 1.0 | n.a. | 88,184 | no | de facto | 29-11-60 | department | yes | Persons not organized into households |
| Chile 1970 | 10.0 | 199,041 | 890,481 | no | de facto | 22-04-70 | department | yes | |
| Chile 1982 | 10.0 | 282,356 | 1,133,062 | no | de facto | 21-04-82 | department | yes | |
| Chile 1992 | 10.0 | 373,964 | 1,335,055 | no | de facto | 22-04-92 | department | yes | |
| Chile 2002 | 10.0 | 486,115 | 1,513,914 | no | de facto | 24-04-02 | department | yes | |
| China 1982 | 1.0 | 2,428,658 | 10,039,191 | no | de jure | 01-07-82 | city/prefecture | yes | |
| China 1990 | 1.0 | 3,152,818 | 11,835,947 | no | de jure | 01-07-90 | city/prefecture | yes | |
| China 2000 | 1.0 | 3,600,005 | 11,804,344 | no | de jure | 01-11-00 | city/prefecture | yes | |
| Colombia 1964 | 2.0 | n.a. | 349,652 | no | de facto | 15-07-64 | municipality | no | Persons not organized into households |
| Colombia 1973 | 10.0 | 349,853 | 1,988,831 | no | de facto | 24-10-73 | municipality | no | |
| Colombia 1985 | 10.0 | 571,046 | 2,643,125 | yes | de jure | 15-10-85 | municipality | no | |
| Colombia 1993 | 10.0 | 774,321 | 3,213,657 | no | de jure | 24-10-93 | municipality | no | Data missing for 2 departments |
| Colombia 2005 | 10.0 | 1,054,812 | 4,006,168 | yes | de jure | 5-05 to 2-06* | municipality | no | |
| Costa Rica 1963 | 6.0 | n.a. | 82,345 | no | de jure | 31-03-63 | canton | yes | Persons not organized into households |
| Costa Rica 1973 | 10.0 | 36,323 | 186,762 | no | de jure | 14-05-73 | canton | yes | |
| Costa Rica 1984 | 10.0 | 56,186 | 241,220 | no | de jure | 11-06-84 | canton | yes | |
| Costa Rica 2000 | 10.0 | 106,973 | 381,500 | no | de jure | 28-06-00 | canton | yes | |
| Costa Rica 2011 | 10.0 | 124,693 | 430,082 | no | de jure | 30-05-11 | canton | yes | |
| Cuba 2002 | 10.0 | 371,878 | 1,118,767 | no | de jure | 06-09-02 | province | yes | |
| Denmark 1787 | 100.0 | 172,536 | 840,134 | no | de jure | 01-07-87 | parish | yes | |
| Denmark 1801 | 100.0 | 191,246 | 926,325 | no | de jure | 01-02-01 | parish | yes | |
| Dominican Rep 1960 | 6.6 | n.a. | 201,556 | no | de facto | 07-08-60 | municipality | no | Persons not organized into households |
| Dominican Rep 1970 | 6.8 | n.a. | 272,090 | yes | de facto | 10-01-70 | municipality | no | Persons not organized into households |
| Dominican Rep 1981 | 8.5 | 103,904 | 475,829 | yes | both | 13-12-81 | municipality | no | |
| Dominican Rep 2002 | 10.0 | 247,375 | 857,606 | no | de jure | 19-10-02 | municipality | yes | |
| Dominican Rep 2010 | 10.0 | 309,624 | 943,784 | no | de jure | 01/07-12-10 | municipality | yes |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Ecuador 1962 | 3.0 | n.a. | 136,443 | no | de facto | 25-11-62 | canton | yes | Persons not organized into households |
| Ecuador 1974 | 10.0 | 145,902 | 648,678 | yes | de facto | 08-06-74 | canton | yes | Data missing for some cantons |
| Ecuador 1982 | 10.0 | 195,401 | 806,834 | no | de facto | 28-11-82 | canton | yes | |
| Ecuador 1990 | 10.0 | 243,898 | 966,234 | no | de facto | 25-11-90 | canton | yes | |
| Ecuador 2001 | 10.0 | 354,222 | 1,213,725 | no | de facto | 25-11-01 | canton | yes | |
| Ecuador 2010 | 10.0 | 386,944 | 1,448,233 | no | de facto | 28-11-10 | canton | yes | |
| Egypt 1986 | 14.1 | 1,401,400 | 6,799,093 | yes | de facto | 17/18-11-11 | district | no | Excludes some large geographic areas |
| Egypt 1996 | 10.0 | 1,270,787 | 5,902,243 | yes | de facto | 18/19-11-96 | district | no | |
| Egypt 2006 | 10.0 | 1,740,414 | 7,282,434 | no | de facto | 20/21-11-06 | district | yes | |
| El Salvador 1992 | 10.0 | 125,695 | 510,760 | no | de jure | 27-09-92 | municipality | yes | |
| El Salvador 2007 | 10.0 | 172,012 | 574,364 | no | de jure | 12/27-05-07 | municipality | yes | |
| Ethiopia 1984 | 10.0 | 795,562 | 3,404,306 | no | de jure | 09-05-84 | awraja | yes | Missing geographic areas from difficult enumeration areas, see detailed sample documentation |
| Ethiopia 1994 | 10.0 | 1,103,553 | 5,044,598 | yes | de jure | 11-10-94* | zone | yes | |
| Ethiopia 2007 | 10.0 | 1,587,834 | 7,434,086 | yes | de jure | 28-05-07* | zone | yes | Short-questionnaire recipients lack many variables |
| Fiji 1966 | 10.0 | 8,290 | 47,579 | no | de facto | 12-09-66 | province | yes | |
| Fiji 1976 | 10.0 | 10,046 | 57,214 | no | de facto | 13-09-76 | province | no | |
| Fiji 1986 | 10.0 | 13,000 | 72,158 | no | de facto | 31-08-86 | province | yes | |
| Fiji 1996 | 10.0 | 15,003 | 77,382 | no | de facto | 25-08-96 | province | yes | |
| Fiji 2007 | 10.0 | 18,522 | 84,323 | no | de facto | 16-09-07 | province | yes | |
| France 1962 | 5.0 | 748,917 | 2,320,901 | no | de jure | 07-03-62 | region | yes* | |
| France 1968 | 5.0 | 815,699 | 2,487,778 | no | de jure | 01-03-68 | region | yes* | |
| France 1975 | 5.0 | 915,624 | 2,629,456 | no | de jure | 20-02-75 | region | yes* | |
| France 1982 | 5.0 | 969,632 | 2,631,713 | no | de jure | 04-03-82 | region | yes* | |
| France 1990 | 4.2 | 949,893 | 2,360,854 | no | de jure | 05-03-90* | region | yes* | |
| France 1999 | 5.0 | 1,219,323 | 2,934,758 | no | de jure | 08-03-99 | region | yes | |
| France 2006 | 33.0 | 8,749,114 | 19,973,287 | yes | de jure | 1/2-04 to 1/2-08* | region | yes | Combines data from 2004-2008; includes overseas departments |
| France 2011 | 33.0 | 9,455,445 | 20,541,337 | yes | de jure | 0/2-09 to 1/2-13 | region | yes | Combines data from 2009-2013; includes overseas departments |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Germany [Mecklenburg-Schwerin] 1819 | 6.0 | 17,517 | 65,397 | yes | de facto | 01-08-19 | district | no | Highly clustered sample |
| Germany 1970 | 5.0 | n.a. | 3,094,845 | no | de jure | 27-05-70 | state | yes | West Germany; persons not organized into households |
| Germany 1971 | 25.0 | 1,569,112 | 4,089,856 | no | de jure | 01-01-71 | state | yes | East Germany |
| Germany 1981 | 25.0 | 1,725,991 | 4,278,563 | no | de jure | 31-12-81 | state | yes | East Germany |
| Germany 1987 | 5.0 | 1,348,896 | 3,160,224 | no | de jure | 25-05-87 | state | yes | West Germany |
| Ghana 1984 | 10.0 | 269,071 | 1,309,352 | no | de facto | 11-03-84 | local authority | yes | |
| Ghana 2000 | 10.0 | 397,097 | 1,894,133 | no | de facto | 26-03-00 | district | yes | |
| Ghana 2010 | 10.0 | 570,234 | 2,466,289 | no | de facto | 27-09-10 | district | yes | |
| Greece 1971 | 10.0 | 249,350 | 845,483 | no | de facto | 14-03-71 | municipality | No | |
| Greece 1981 | 10.0 | 294,323 | 923,108 | no | de facto | 05-04-81 | municipality | No | |
| Greece 1991 | 10.0 | 320,387 | 951,875 | no | de facto | 17-03-91 | municipality | No | |
| Greece 2001 | 10.0 | 367,438 | 1,028,884 | no | de facto | 18-03-01 | municipality | No | |
| Greece 2011 | 10.0 | 413,464 | 1,056,607 | no | de facto | 09-05-11 | municipality | No | |
| Guinea 1983 | 10.0 | 110,777 | 457,837 | no | both | 01-02-83 | sub-prefecture | yes | |
| Guinea 1996 | 10.0 | 108,793 | 729,071 | no | both | 01-12-96 | sub-prefecture | yes | |
| Haiti 1971 | 10.0 | 95,145 | 434,869 | no | de jure | 16-08-71 | arrondissement | yes | |
| Haiti 1982 | 2.5 | 28,698 | 128,770 | no | de jure | n.a. | arrondissement | no | Data missing for some arrondissements |
| Haiti 2003 | 10.0 | 219,633 | 838,045 | no | de jure | 11-01-03 | arrondissement | yes | |
| Honduras 1961 | 1.0 | n.a. | 18,864 | no | de facto | 16-04-61 | municipality | yes | Persons not organized into households |
| Honduras 1974 | 10.0 | 49,064 | 278,348 | no | de jure | 06-03-74 | municipality | no | |
| Honduras 1988 | 10.0 | 77,406 | 423,971 | no | de jure | 22-05-88 | municipality | yes | |
| Honduras 2001 | 10.0 | 123,584 | 608,620 | no | de jure | 28-07-01 | municipality | yes | |
| Hungary 1970 | 5.0 | 172,831 | 515,119 | no | de jure | 01-01-70 | none | yes | |
| Hungary 1980 | 5.0 | 211,355 | 536,007 | no | de jure | 01-01-80 | none | yes | |
| Hungary 1990 | 5.0 | 219,389 | 518,240 | no | de jure | 01-01-90 | none | yes | |
| Hungary 2001 | 5.0 | 227,252 | 510,502 | no | de jure | 01-02-01 | none | yes | |
| Hungary 2011 | 5.0 | 208,974 | 496,762 | no | de jure | 01-10-11 | none | yes |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Iceland 1703 | 100.0 | 3,789 | 51,003 | no | de jure | N/A | commune | yes | |
| Iceland 1729 | 100.0 | 906 | 8,072 | no | de jure | N/A | commune | yes | Contains data for three counties only: Rangárvallasýsla, Árnessýsla, Hnappadalssýsla |
| Iceland 1801 | 100.0 | 7,391 | 47,179 | no | de facto | 01-02-01 | parish | yes | |
| Iceland 1901 | 100.0 | 13,362 | 83,171 | no | both | 01-11-01 | parish | yes | Includes both de jure and de facto concepts; use RESIDENT variable to prevent double-counting some persons |
| Iceland 1910 | 100.0 | 11,439 | 90,570 | no | both | N/A | parish | yes | Includes both de jure and de facto concepts; use RESIDENT variable to prevent double-counting some persons |
| India 1983 | 0.091 | 120,847 | 623,494 | yes | de jure | 01-83 to 12-83 | state | no | Employment survey |
| India 1987 | 0.094 | 129,060 | 667,848 | yes | de jure | 07-87 to 06-88 | district | no | Employment survey |
| India 1993 | 0.073 | 115,409 | 564,740 | yes | de jure | 07-93 to 06-94 | state | no | Employment survey |
| India 1999 | 0.065 | 120,578 | 596,688 | yes | de jure | 07-99 to 06-00 | district | no | Employment survey |
| India 2004 | 0.061 | 124,680 | 602,833 | yes | de jure | 07-04 to 06-05 | district | no | Employment survey |
| India 2009 | 0.04 | 100,957 | 459,784 | yes | de jure | 01-07-09 | district | yes | Employment survey |
| Indonesia 1971 | 0.54 | 126,402 | 634,642 | yes | de jure | 24-08-71 | regency | yes | |
| Indonesia 1976 | 0.22 | 54,826 | 281,170 | yes | de jure | 02-76 | regency | no | Intercensal survey |
| Indonesia 1980 | 5.0 | 1,505,893 | 7,234,577 | yes | de jure | 31-10-80 | regency | yes | |
| Indonesia 1985 | 0.37 | 126,966 | 605,858 | yes | de jure | 10-85 | regency | no | Intercensal survey |
| Indonesia 1990 | 0.51 | 201,457 | 912,544 | yes | de jure* | 31-10-90 | regency | yes | |
| Indonesia 1995 | 0.43 | 166,033 | 718,837 | yes | de jure | 10/31-10-95 | regency | no | Intercensal survey; excludes all provinces in Kalimantan, Sulawesi, Maluka and Papua |
| Indonesia 2000 | 10.0 | 5,124,971 | 20,112,539 | no | de jure* | 01-07-00 | regency | yes | |
| Indonesia 2005 | 0.51 | 266,732 | 1,090,892 | yes | de jure | 6/30-06-05 | regency | no | Intercensal survey; excludes Aceh |
| Indonesia 2010 | 10.0 | 6,151,164 | 23,603,049 | no | de jure* | 15-05-10 | regency | yes | |
| Iran 2006 | 2.0 | 326,247 | 1,299,825 | yes | de jure | 10-06 to 11-06 | sub-province | yes | |
| Iran 2011 | 2.0 | 425,007 | 1,481,586 | yes | de jure | 23-10-11 | sub-province | yes | |
| Iraq 1997 | 10.0 | 265,402 | 1,944,278 | no | both | 17-10-97 | district | yes | Excludes 3 governorates |
| Ireland 1971 | 10.0 | 83,285 | 296,878 | no | de facto | 18-04-71 | region | yes | Age is grouped into categories |
| Ireland 1979 | 10.0 | 98,453 | 337,686 | no | de facto | 01-04-79 | region | yes | Age is grouped into categories; very short form |
| Ireland 1981 | 10.0 | 101,890 | 344,291 | no | de facto | 05-04-81 | region | yes | Age is grouped into categories |
| Ireland 1986 | 10.0 | 107,278 | 355,020 | no | de facto | 13-04-86 | region | yes | Age is grouped into categories |
| Ireland 1991 | 10.0 | 112,149 | 353,149 | no | de facto | 21-04-91 | region | yes | Age is grouped into categories |
| Ireland 1996 | 10.0 | 122,860 | 365,323 | no | de facto | 28-04-96 | region | yes | Age is grouped into categories |
| Ireland 2002 | 10.0 | 140,040 | 410,688 | no | both | 28-04-02 | region | yes | Age is grouped into categories |
| Ireland 2006 | 10.0 | 157,762 | 440,314 | no | both | 23-04-06 | region | yes | Age is grouped into categories |
| Ireland 2011 | 10.0 | 175,651 | 474,535 | no | both | 10-04-11 | region | yes |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Israel 1972 | 10.0 | 89,190 | 315,608 | no | de jure | 20-05-72 | subdistrict* | yes* | Age is grouped into categories |
| Israel 1983 | 10.0 | 124,610 | 403,474 | no | de jure | 04-06-83 | subdistrict* | yes* | Age is grouped into categories |
| Israel 1995 | 10.0 | 177,412 | 556,365 | no | de jure | 04-11-95 | subdistrict* | yes* | Age is grouped into categories |
| Italy 2001 | 5.0 | 1,168,045 | 2,990,739 | no | de jure | 21-10-01 | region | yes | Age is grouped into categories |
| Italy 2011 | 5.0 | 1,244,808 | 2,968,065 | no | de jure | 09-10-11 | region | yes | Low ages grouped into categories |
| Jamaica 1982 | 10.0 | 54,526 | 223,667 | no | both | 08-06-82 | parish | yes | |
| Jamaica 1991 | 10.0 | 62,291 | 232,625 | no | both | 07-04-91 | parish | yes | |
| Jamaica 2001 | 10.0 | 64,317 | 205,179 | yes | de jure | 10-09-01 | parish | yes | |
| Jordan 2004 | 10.0 | 97,343 | 510,646 | no | de facto | 01-10-04 | district | yes | |
| Kenya 1969 | 6.0 | 149,681 | 659,310 | yes | de facto | 24-08-69 | district | no | Nairobi oversample. Weighted by district and age. |
| Kenya 1979 | 6.7 | n.a. | 1,033,769 | yes | de facto | 24-08-79 | district | no | Persons not organized into households |
| Kenya 1989 | 5.0 | 224,861 | 1,074,098 | no | de facto | 25-10-89 | district | yes* | |
| Kenya 1999 | 5.0 | 317,106 | 1,407,547 | no | de facto | 25-10-99 | district | yes* | |
| Kenya 2009 | 10.0 | 895,230 | 3,841,935 | no | de facto | 24/25-08-09 | district | no | |
| Kyrgyz Republic 1999 | 10.0 | 110,285 | 476,886 | no | de jure | 24-03-99 | district | yes | |
| Kyrgyz Republic 2009 | 10.0 | 124,825 | 564,986 | no | de jure | 24-03-09 | district | yes | |
| Lesotho 1996 | 10.0 | 37,088 | 187,795 | no | both | 14-04-96 | district | no | |
| Lesotho 2006 | 10.0 | 41,726 | 180,208 | no | both | 08-04-06 | constituency | no | |
| Liberia 1974 | 10.0 | n.a. | 150,256 | no | de jure | 01-02-74 | district | no | Persons not organized into households |
| Liberia 2008 | 10.0 | 68,836 | 348,057 | no | de facto | 21/30-03-08 | county | yes | |
| Malawi 1987 | 10.0 | 186,270 | 798,669 | no | de facto | 1/21-09-87 | traditional authority (TA) | yes | |
| Malawi 1998 | 10.0 | 229,005 | 991,393 | no | de facto | 1/21-06-98 | traditional authority (TA) | yes | |
| Malawi 2008 | 10.0 | 298,607 | 1,341,977 | no | both | 1/21-06-08 | traditional authority (TA) | yes | |
| Malaysia 1970 | 2.0 | 38,006 | 175,997 | no | de facto | 25-08-70 | district | yes | Excludes 2 states: Sabah and Sarawak |
| Malaysia 1980 | 2.0 | 38,049 | 182,601 | no | de facto | 10-06-80 | district | yes | Excludes 2 states: Sabah and Sarawak |
| Malaysia 1991 | 2.0 | 78,192 | 347,892 | no | de facto | 14-08-91 | district | yes | |
| Malaysia 2000 | 2.0 | 95,564 | 435,300 | no | de jure | 05-07-00 | district | no |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Mali 1987 | 10.0 | 136,515 | 785,384 | no | both | 14-04-87 | district | no | |
| Mali 1998 | 10.0 | 161,880 | 991,330 | no | both | 14-04-98 | district | yes | |
| Mali 2009 | 10.0 | 235,834 | 1,451,856 | no | both | 14-04-09 | district | no | |
| Mexico 1960 | 1.5 | n.a. | 502,800 | no | de jure | 08-06-60 | state | no | Persons not organized into households |
| Mexico 1970 | 1.0 | 82,856 | 483,405 | no | de jure | 28-01-70 | municipality | no | |
| Mexico 1990 | 10.0 | 1,648,280 | 8,118,242 | no | de jure | 12-03-90 | municipality | no | |
| Mexico 1995 | 0.4 | 72,277 | 332,061 | yes | de jure | 05-11-95 | municipality | no | |
| Mexico 2000 | 10.6 | 2,312,035 | 10,099,182 | yes | de jure | 14-02-00 | municipality | no | |
| Mexico 2005 | 10.0 | 2,546,985 | 10,284,550 | no | de jure | 17-10-05 | municipality | no | |
| Mexico 2010 | 10.0 | 2,903,640 | 11,938,402 | yes | de jure | 12-06-10 | municipality | no | |
| Mexico 2015 | 9.5 | 2,927,196 | 11,344,365 | yes | de jure | 15-03-15 | municipality | no | |
| Mongolia 1989 | 10.0 | 42,783 | 190,631 | yes | both | 05-01-89 | province | yes | Highly clustered sample design |
| Mongolia 2000 | 10.0 | 55,795 | 243,725 | no | both | 05-01-00 | district | yes | |
| Morocco 1982 | 5.0 | 171,684 | 1,012,873 | no | de jure | 03-09-82 | province | no | |
| Morocco 1994 | 5.0 | 222,083 | 1,294,026 | no | de jure | 02-09-94 | province | no | |
| Morocco 2004 | 5.0 | 324,575 | 1,482,720 | no | de jure | 01-09-04 | province | no | |
| Mozambique 1997 | 10.0 | 366,634 | 1,551,517 | no | both | 01-08-97 | administrative post | yes | |
| Mozambique 2007 | 10.0 | 463,420 | 2,047,048 | no | both | 01-08-07 | administrative post | yes | |
| Netherlands 1960 | 1.2 | n.a. | 143,251 | yes | de jure | 31-05-60 | none | no | Persons not organized into households; age grouped into categories |
| Netherlands 1971 | 1.2 | n.a. | 159,203 | yes | de jure* | 28-02-71 | none | no | Persons not organized into households; age grouped into categories |
| Netherlands 2001 | 1.2 | n.a. | 189,725 | yes | de jure | 01-01-01 | none | no | Persons not organized into households; age grouped into categories; virtual census |
| Netherlands 2011 | 2.5 | n.a. | 414,673 | yes | de jure | 01-01-11 | none | no | Persons not organized into households; age grouped into categories; virtual census |
| Nicaragua 1971 | 10.0 | 36,063 | 189,469 | no | de facto | 20-04-71 | municipality | yes | |
| Nicaragua 1995 | 10.0 | 82,815 | 435,728 | no | de jure | 25-06-95 | municipality | yes | |
| Nicaragua 2005 | 10.0 | 119,339 | 515,485 | no | de jure | 05-06-05 | municipality | yes |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Nigeria 2006-07 | 0.06 | 18,298 | 83,700 | yes | de jure | N/A | state | no | Household survey |
| Nigeria 2007-08 | 0.06 | 18,420 | 85,183 | yes | de jure | N/A | local government area | no | Household survey |
| Nigeria 2008-09 | 0.07 | 21,702 | 107,425 | yes | de jure | N/A | local government area | no | Household survey |
| Nigeria 2009-10 | 0.05 | 21,589 | 77,896 | yes | de jure | N/A | local government area | no | Household survey |
| Nigeria 2010-11 | 0.05 | 16,014 | 72,191 | yes | de jure | N/A | local government area | no | Household survey |
| Norway 1801 | 100.0 | 163,650 | 878,936 | no | de jure | 01-02-01 | parish | yes | |
| Norway 1865 | 100.0 | 338,795 | 1,684,480 | no | de jure | 31-12-65 | municipality | yes | |
| Norway 1875 | 2.0 | 135,491 | 642,937 | yes | both | 31-12-75 | municipality | yes | Includes both de jure and de facto concepts; use RESIDENT variable to prevent double-counting some persons |
| Norway 1900 | 100.0 | 456,188 | 2,294,599 | no | both | 03-12-01 | municipality | yes | Includes both de jure and de facto concepts; use RESIDENT variable to prevent double-counting some persons |
| Norway 1910 | 100.0 | 566,426 | 2,468,823 | no | both | 01-12-10 | municipality | yes | Includes both de jure and de facto concepts; use RESIDENT variable to prevent double-counting some persons |
| Pakistan 1973 | 2.0 | 322,131 | 1,453,332 | yes | de jure | 01-73 | district | no | Excludes 4 districts in NWFP; many headless households (fragments) |
| Pakistan 1981 | 10.0 | n.a. | 8,433,058 | yes | both | 01-03-81 | district | no | Persons not organized into households; age grouped into categories |
| Pakistan 1998 | 10.0 | 1,957,991 | 13,102,024 | no | both | 05-03-98 | district | no | Excludes 3 provinces |
| Palestine 1997 | 10.0 | 40,753 | 259,191 | yes | de facto | 10-12-97 | governorate | no | Age is grouped into categories |
| Palestine 2007 | 10.0 | 41,455 | 227,067 | yes | de facto | 01-12-07 | governorate | no | West Bank only; age grouped into categories |
| Panama 1960 | 5.0 | 11,869 | 53,553 | no | de facto | 11-12-60 | district | yes | |
| Panama 1970 | 10.0 | 31,755 | 150,473 | no | de facto | 10-05-70 | district | yes | |
| Panama 1980 | 10.0 | 47,726 | 195,577 | yes | de facto | 11-05-80 | district | yes | |
| Panama 1990 | 10.0 | 61,458 | 232,737 | no | de facto | 13-05-90 | district | yes | |
| Panama 2000 | 10.0 | 84,346 | 284,081 | no | de facto | 14-05-00 | district | yes | |
| Panama 2010 | 10.0 | 95,579 | 341,118 | no | de facto | 16-05-10 | district | yes | |
| Papua New Guinea 1980 | 10.0 | 66,403 | 296,165 | no | de facto | n.a. | district | yes | |
| Papua New Guinea 1990 | 10.0 | 68,904 | 360,807 | no | de facto | 11-07-90 | district | no | |
| Papua New Guinea 2000 | 10.0 | 103,594 | 520,609 | no | de facto | 09-07-00 | district | yes | |
| Paraguay 1962 | 5.0 | 18,307 | 90,236 | no | de facto | 14-10-62 | district | yes | |
| Paraguay 1972 | 10.0 | 43,883 | 233,669 | no | de facto | 09-07-72 | district | yes | |
| Paraguay 1982 | 10.0 | 60,465 | 301,582 | no | de facto | 11-07-82 | district | yes | |
| Paraguay 1992 | 10.0 | 100,704 | 415,401 | no | de facto | 26-08-92 | district | yes | |
| Paraguay 2002 | 10.0 | 113,039 | 516,083 | yes | de facto | 28-08-02 | district | yes |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Peru 1993 | 10.0 | 564,765 | 2,206,424 | no | de facto | 11-07-93 | province | yes | |
| Peru 2007 | 10.0 | 821,675 | 2,745,895 | no | de facto | 21-10-07 | province | yes | |
| Philippines 1990 | 10.0 | 1,156,126 | 6,013,913 | yes | de jure | 01-05-90 | municipality | yes | |
| Philippines 1995 | 10.0 | 1,362,190 | 6,864,758 | no | de jure | 01-09-95 | municipality | yes | |
| Philippines 2000 | 10.0 | 1,511,890 | 7,417,810 | yes | de jure | 01-05-00 | municipality | no | |
| Philippines 2010 | 10.0 | 2,066,824 | 9,411,256 | yes | de jure | 01-05-10 | municipality | no | |
| Poland 1978 | 10.0 | 1,102,951 | 3,577,272 | no | de jure | 6/7-12-78 | voivodeship | yes | |
| Poland 1988 | 10.0 | 1,263,317 | 3,894,527 | no | de jure | 12-6/7-88 | voivodeship | yes | |
| Poland 2002 | 10.0 | 1,348,684 | 3,824,056 | no | de jure | 20/21-05-02 | voivodeship | yes | |
| Poland 2011 | 10.0 | 1,622,493 | 4,051,255 | no | de jure | 31-03-11 | voivodeship | yes | |
| Portugal 1981 | 5.0 | 179,409 | 492,289 | no | de jure | 16-03-81 | NUTS3 region* | yes | |
| Portugal 1991 | 5.0 | 214,155 | 491,755 | no | de jure | 15-04-91 | NUTS3 region* | yes | |
| Portugal 2001 | 5.0 | 258,843 | 517,026 | no | de jure | 12-03-01 | NUTS3 region* | yes | |
| Portugal 2011 | 5.0 | 203,519 | 528,870 | no | both | 21-03-11 | NUTS3 region* | yes | |
| Puerto Rico 1970 | 1.0 | 7,460 | 27,212 | no | de jure | 01-04-70 | 250,000+ pop* | yes | |
| Puerto Rico 1980 | 5.0 | 50,847 | 160,219 | no | de jure | 01-04-80 | 100,000+ pop* | yes | |
| Puerto Rico 1990 | 5.0 | 61,698 | 177,655 | yes | de jure | 01-04-90 | 100,000+ pop* | yes | |
| Puerto Rico 2000 | 5.0 | 73,259 | 189,828 | yes | de jure | 01-04-00 | 100,000+ pop* | yes | |
| Puerto Rico 2005 | 1.0 | 14,407 | 35,416 | yes | de jure | Varies | 100,000+ pop* | no | |
| Puerto Rico 2010 | 1.0 | 16,753 | 36,032 | yes | de jure | Varies | 100,000+ pop* | yes | |
| Romania 1977 | 10.0 | 619,904 | 1,937,021 | no | de jure | 05-01-77 | county | no | Excludes 2 counties: Alba and Arad |
| Romania 1992 | 10.0 | 728,846 | 2,238,578 | no | de jure | 07-01-92 | county | no | |
| Romania 2002 | 10.0 | 732,016 | 2,137,967 | no | de jure | 18-03-02 | county | no | |
| Romania 2011 | 10.0 | 746,908 | 1,991,924 | no | de jure | 20-10-11 | county | no | |
| Rwanda 1991 | 10.0 | 153,041 | 742,918 | no | both | 01-08-91 | township | yes | |
| Rwanda 2002 | 10.0 | 191,719 | 843,392 | no | both | 15/16-08-02 | district | yes | |
| Rwanda 2012 | 10.0 | 242,461 | 1,038,369 | no | de jure | 16-08-12 | district | no |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Saint Lucia 1980 | 10.0 | 2,674 | 11,451 | no | de jure | 12-05-80 | district | no | |
| Saint Lucia 1991 | 10.0 | 3,394 | 13,382 | no | de jure | 12-05-91 | district | no | |
| Senegal 1988 | 10.0 | 79,904 | 700,199 | no | both | 20-05-88 | department | no | |
| Senegal 2002 | 10.0 | 107,999 | 994,562 | no | both | N/A | department | no | |
| Sierra Leone 2004 | 10.0 | 82,518 | 494,298 | no | de facto | 04-12-04 | chiefdom | yes | |
| Slovenia 2002 | 10.0 | 63,637 | 179,632 | no | de jure | 31-03-02 | region | no | Age is grouped into categories |
| South Africa 1996 | 10.0 | 993,801 | 3,621,164 | yes | de facto | 10-10-96 | district | yes | 19 districts in the Eastern Cape province are not organized into households -- 1.3% of file |
| South Africa 2001 | 10.0 | 991,543 | 3,725,655 | yes | de facto | 10-10-01 | municipality | yes | |
| South Africa 2007 | 2.0 | 345,170 | 1,047,657 | yes | both | 07-02-07 | municipality | yes | |
| South Africa 2011 | 8.6 | 1,326,354 | 4,418,594 | yes | de facto | 10-10-11 | municipality | yes | |
| South Sudan 2008 | 7.0 | 92,592 | 542,765 | yes | de facto | 22-04-08 | county | no | |
| Spain 1981 | 5.0 | n.a. | 2,084,221 | yes | both | 01-03-81 | municipality | yes | Persons not organized into households |
| Spain 1991 | 5.0 | 592,276 | 1,931,458 | yes | de jure | 01-03-91 | municipality | yes | |
| Spain 2001 | 5.0 | 714,473 | 2,039,274 | no | de jure | 01-11-01 | municipality | yes | |
| Spain 2011 | 10.0 | 1,621,643 | 4,107,465 | yes | de jure | 01-11-11 | Municipality | no | |
| Sudan 2008 | 16.6 | 922,816 | 5,066,530 | yes | de facto | 22-04-08 | county | no | |
| Sweden 1880 | 100.0 | 1,195,645 | 4,624,825 | no | de jure | 31-12-80 | parish | yes | |
| Sweden 1890 | 100.0 | 1,315,712 | 4,843,782 | no | de jure | 31-12-90 | parish | yes | |
| Sweden 1900 | 100.0 | 1,433,209 | 5,200,111 | no | de jure | 31-12-00 | parish | yes | |
| Sweden 1910 | 100.0 | 1,559,129 | 5,586,360 | no | de jure | 31-12-10 | parish | yes | |
| Switzerland 1970 | 5.0 | 109,033 | 312,538 | no | de facto | 01-12-70 | canton | yes | |
| Switzerland 1980 | 5.0 | 127,177 | 317,803 | no | de facto | 02-12-80 | canton | yes | |
| Switzerland 1990 | 5.0 | 147,947 | 342,797 | no | de facto | 04-12-90 | canton | yes | |
| Switzerland 2000 | 5.0 | 165,177 | 364,086 | no | de facto | 05-12-00 | canton | yes | |
| Tanzania 1988 | 10.0 | 472,616 | 2,310,424 | yes | de facto | 27-08-88 | district | no | |
| Tanzania 2002 | 10.0 | 841,768 | 3,732,735 | yes | de facto | 22-08-02 | district | yes | |
| Tanzania 2012 | 10.0 | 950,776 | 4,498,022 | yes | de facto | 26-08-12 | district | no |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Thailand 1970 | 2.0 | 145,705 | 772,169 | yes | de jure* | 01-04-70 | district | yes | |
| Thailand 1980 | 1.0 | 76,189 | 388,141 | yes | de jure* | 01-04-80 | province | yes | |
| Thailand 1990 | 1.0 | 118,134 | 485,100 | yes | de jure* | 01-04-90 | district | yes | |
| Thailand 2000 | 1.0 | 165,417 | 604,519 | yes | de jure* | 01-04-00 | district | yes | |
| Trinidad and Tobago 1970 | 10.0 | 15,871 | 69,349 | no | de facto | 07-04-70 | region | yes | |
| Trinidad and Tobago 1980 | 10.0 | 23,870 | 105,464 | no | de facto | 12-05-80 | region | yes | |
| Trinidad and Tobago 1990 | 10.0 | 27,561 | 113,104 | no | de facto | 15-05-90 | region | yes | |
| Trinidad and Tobago 2000 | 10.0 | 35,715 | 111,833 | no | de facto | 15-05-00 | region | yes | |
| Trinidad and Tobago 2011 | 8.8 | 41,606 | 116,917 | no | both | 09-01-11 | region | yes | |
| Turkey 1985 | 5.0 | 586,873 | 2,554,364 | no | de facto | 20-10-85 | district | yes | |
| Turkey 1990 | 5.0 | 663,866 | 2,864,207 | no | de facto | 21-10-90 | district | yes | |
| Turkey 2000 | 5.0 | 934,627 | 3,444,456 | no | de facto | 22-10-00 | district | yes | |
| Uganda 1991 | 10.0 | 339,166 | 1,548,460 | yes | de facto | 11-01-91 | county | yes | |
| Uganda 2002 | 10.0 | 529,271 | 2,497,449 | no | both | 12-09-02 | county | yes | |
| Ukraine 2001 | 10.0 | 1,905,450 | 4,889,288 | no | both | 05-12-01 | raion | yes | |
| United Kingdom 1851 [England and Wales] | 100.0 | 3,731,538 | 17,711,044 | no | de facto | 31-03-51 | parish | yes | England and Wales only |
| United Kingdom 1851 [Scotland] | 100.0 | 607,460 | 2,899,281 | no | de facto | 31-03-51 | parish | yes | Scotland only |
| United Kingdom 1851 [Great Britain] | 2.0 | 82,935 | 399,216 | yes | de facto | 31-03-51 | parish | yes | Cluster sample of parishes |
| United Kingdom 1861 [England and Wales] | 100.0 | 4,156,282 | 19,828,561 | no | de facto | 08-04-61 | parish | yes | England and Wales only |
| United Kingdom 1861 [Scotland] | 100.0 | 675,945 | 3,008,817 | no | de facto | 08-04-61 | parish | yes | Scotland only |
| United Kingdom 1871 [Scotland] | 100.0 | 743,696 | 3,349,656 | no | de facto | 03-04-71 | parish | yes | Scotland only |
| United Kingdom 1881 [England and Wales] | 100.0 | 5,402,956 | 26,124,585 | no | de facto | 04-04-81 | parish | yes | England and Wales only |
| United Kingdom 1881 [Scotland] | 100.0 | 775,772 | 3,741,017 | no | de facto | 04-04-81 | parish | yes | Scotland only |
| United Kingdom 1891 [England and Wales] | 100.0 | 6,500,644 | 29,509,255 | no | de facto | 06-04-91 | parish | yes | England and Wales only |
| United Kingdom 1891 [Scotland] | 100.0 | 879,446 | 4,013,567 | no | de facto | 06-04-91 | parish | yes | Scotland only |
| United Kingdom 1901 [England and Wales] | 100.0 | 7,035,637 | 32,493,318 | no | de facto | 01-04-01 | parish | yes | England and Wales only |
| United Kingdom 1901 [Scotland] | 100.0 | 955,359 | 4,438,418 | no | de facto | 01-04-01 | parish | yes | Scotland only |
| United Kingdom 1911 [England and Wales] | 100.0 | 8,053,231 | 36,353,455 | no | de facto | 03-04-11 | parish | yes | |
| United Kingdom 1991 | 1.0 | 215,761 | 541,894 | no | both | 21-04-91 | SARs region | yes | Excludes Northern Ireland |
| United Kingdom 2001 | 3.0 | n.a. | 1,843,525 | no | de jure | 29-04-01 | SARs region | yes | Persons not organized into households; age grouped into categories |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| United States 1850 (100%) | 100.0 | 3,705,206 | 19,987,946 | no | de jure | 01-06-50 | county | yes | |
| United States 1850 (1%) | 1.0 | 37,122 | 197,796 | no | de jure | 01-06-50 | county | yes | |
| United States 1860 | 1.0 | 55,324 | 273,596 | no | de jure | 01-06-60 | county | yes | |
| United States 1870 | 1.0 | 80,348 | 383,358 | no | de jure | 01-06-70 | county | yes | |
| United States 1880 (100%) | 100.0 | 10,423,760 | 50,140,482 | no | de jure | 01-06-80 | county | yes | |
| United States 1880 (10%) | 10.0 | 1,237,002 | 5,882,038 | yes | de jure | 01-06-80 | county | yes | |
| United States 1900 | 5.0 | 871,845 | 3,852,852 | no | de jure | 01-06-00 | county | yes | |
| United States 1910 | 1.0 | 218,034 | 923,153 | no | de jure | 15-04-10 | county | yes | |
| United States 1960 | 1.0 | 579,212 | 1,799,888 | no | de jure | 01-04-60 | state | yes | |
| United States 1970 | 1.0 | 744,475 | 2,029,666 | no | de jure | 01-04-70 | 250,000+ pop* | yes | |
| United States 1980 | 5.0 | 4,711,341 | 11,343,120 | no | de jure | 01-04-80 | 100,000+ pop* | yes | |
| United States 1990 | 5.0 | 5,527,406 | 12,501,046 | yes | de jure | 01-04-90 | 100,000+ pop* | yes | |
| United States 2000 | 5.0 | 6,184,438 | 14,081,466 | yes | de jure | 01-04-90 | 100,000+ pop* | yes | |
| United States 2005 | 1.0 | 1,245,246 | 2,878,380 | yes | de jure | Varies | 100,000+ pop* | no | Household survey |
| United States 2010 | 1.0 | 1,397,789 | 3,061,692 | yes | de jure | Varies | 100,000+ pop* | yes | Household survey |
| United States 2015 | 1.0 | 1,496,678 | 3,147,005 | yes | de jure | Varies | 100,000+ pop* | yes | Household survey |
| Uruguay 1963 | 10.0 | 79,403 | 256,171 | no | de facto | 16-10-63 | department | yes | |
| Uruguay 1975 | 10.0 | 95,935 | 279,994 | no | de facto | 21-05-75 | department | yes | |
| Uruguay 1985 | 10.0 | 105,761 | 295,915 | no | de facto | 23-10-85 | sections | yes | |
| Uruguay 1996 | 10.0 | 118,067 | 315,920 | no | de facto | 22-05-96 | sections | yes | |
| Uruguay 2006 | 8.4 | 85,316 | 256,866 | yes | de jure | N/A | sections | no | Household survey |
| Uruguay 2011 | 10.0 | 118,498 | 328,425 | no | de jure | 01-09-11 | department | no | |
| Venezuela 1971 | 2.0 | 284,336 | 1,158,527 | yes | de jure | 11-02-71 | municipality | no | |
| Venezuela 1981 | 10.0 | 323,321 | 1,441,266 | no | de jure | 21-10-81 | municipality | yes | |
| Venezuela 1990 | 10.0 | 468,808 | 1,803,953 | yes | de jure | 21-10-90 | municipality | yes | |
| Venezuela 2001 | 10.0 | 646,080 | 2,306,489 | no | de jure | 01-10-01 | municipality | yes |
| Sample Design [top] | Fraction (%) | Households | Persons | Weighted | De jure de facto | Census date (d-m-yr) | Smallest geography | Collective dwellings | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Vietnam 1989 | 5.0 | 534,223 | 2,626,985 | yes | de jure | 01-04-89 | province | yes | |
| Vietnam 1999 | 3.0 | 534,139 | 2,368,167 | yes | de jure | 01-04-99 | province | no | |
| Vietnam 2009 | 15.0 | 3,692,042 | 14,177,590 | yes | de jure | 01-04-09 | district | no | |
| Zambia 1990 | 10.0 | 129,501 | 787,461 | no | both | 20-08-90 | district | yes | |
| Zambia 2000 | 10.0 | 186,225 | 996,117 | no | both | 16-10-00 | constituency | yes | |
| Zambia 2010 | 10.0 | 250,805 | 1,321,973 | no | both | 15-10-10 | constituency | no | |
| Zimbabwe 2012 | 5.0 | 160,728 | 654,688 | no | de facto | 17-08-12 | district | yes |
| TOTAL | |||||||||
* See sample design for more information.