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	· Surveys	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	Russia	2002 · 2010
Botswana	1981 · 1991 · 2001 · 2011	Israel	1972 · 1983 · 1995	Rwanda	1991 · 2002 · 2012
Brazil	1960 · 1970 · 1980 · 1991 · 2000 · 2010	Italy	2001 · 2011 · Surveys	Saint Lucia	1980 · 1991
Burkina Faso	1985 · 1996 · 2006	Jamaica	1982 · 1991 · 2001	Senegal	1988 · 2002
Cambodia	1998 · 2004 · 2008 · 2013	Jordan	2004	Sierra Leone	2004
Cameroon	1976 · 1987 · 2005	Kenya	1969 · 1979 · 1989 · 1999 · 2009	Slovenia	2002
Canada	1852 · 1871 · 1881 · 1891 · 1901 · 1911 · 1971 · 1981 · 1991 · 2001 · 2011	Kyrgyz Republic	1999 · 2009	South Africa	1996 · 2001 · 2007 · 2011
Chile	1960 · 1970 · 1982 · 1992 · 2002	Laos	2005	South Sudan	2008
China	1982 · 1990 · 2000	Lesotho	1996 · 2006	Spain	1981 · 1991 · 2001 · 2011 · Surveys
Colombia	1964 · 1973 · 1985 · 1993 · 2005	Liberia	1974 · 2008	Sudan	2008
Costa Rica	1963 · 1973 · 1984 · 2000 · 2011	Malawi	1987 · 1998 · 2008	Sweden	1880 · 1890 · 1900 · 1910
Cuba	2002	Malaysia	1970 · 1980 · 1991 · 2000	Switzerland	1970 · 1980 · 1990 · 2000
Denmark	1787 · 1801	Mali	1987 · 1998 · 2009	Tanzania	1988 · 2002 · 2012
Dominican Rep.	1960 · 1970 · 1981 · 2002 · 2010	Mexico	1960 · 1970 · 1990 · 1995 · 2000 · 2005 · 2010 · 2015	Thailand	1970 · 1980 · 1990 · 2000
Ecuador	1962 · 1974 · 1982 · 1990 · 2001 · 2010	Mongolia	1989 · 2000	Togo	1960 · 1970 · 2010
Egypt	1986 · 1996 · 2006	Morocco	1982 · 1994 · 2004	Trinidad and Tobago	1970 · 1980 · 1990 · 2000 · 2011
El Salvador	1992 · 2007	Mozambique	1997 · 2007	Turkey	1985 · 1990 · 2000
Ethiopia	1984 · 1994 · 2007	Nepal	2001 · 2011	Uganda	1991 · 2002
Fiji	1966 · 1976 · 1986 · 1996 · 2007 · 2014	Netherlands	1960 · 1971 · 2001 · 2011	Ukraine	2001
France	1962 · 1968 · 1975 · 1982 · 1990 · 1999 · 2006 · 2011	Nicaragua	1971 · 1995 · 2005	United Kingdom	1851a · 1851b · 1851c · 1861a · 1861b · 1871b · 1881a · 1881b · 1891a · 1891b · 1901a · 1901b · 1911 · 1991 · 2001
Germany	1819 · 1970 · 1971 · 1981 · 1987	Nigeria	· Surveys	United States	1850a · 1850b · 1860 · 1870 · 1880a · 1880b · 1900 · 1910 · 1960 · 1970 · 1980 · 1990 · 2000 · 2005 · 2010 · 2015
Ghana	1984 · 2000 · 2010	Norway	1801 · 1865 · 1875 · 1900 · 1910	Uruguay	1963 · 1975 · 1985 · 1996 · 2006 · 2011
Greece	1971 · 1981 · 1991 · 2001 · 2011	Pakistan	1973 · 1981 · 1998	Venezuela	1971 · 1981 · 1990 · 2001
Guatemala	1964 · 1973 · 1981 · 1994 · 2002	Palestine	1997 · 2007	Vietnam	1989 · 1999 · 2009
Guinea	1983 · 1996	Panama	1960 · 1970 · 1980 · 1990 · 2000 · 2010	Zambia	1990 · 2000 · 2010
Haiti	1971 · 1982 · 2003	Papua New Guinea	1980 · 1990 · 2000	Zimbabwe	2012
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	20.0	3,066,365	14,983,769	no	both	01-09-60	state	yes	Excludes 11 states in the north
Brazil 1970	25.0	5,111,039	24,789,716	yes	both	01-09-70	state	yes
Brazil 1980	25.0	6,716,885	29,378,753	yes	de jure	01-09-80	municipality	yes
Brazil 1991	10.0	4,024,553	17,045,712	yes	de jure	01-09-91	municipality	yes
Brazil 2000	10.0	5,304,711	20,274,412	yes	de jure	01-08-00	municipality	yes
Brazil 2010	10.0	6,192,502	20,635,472	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 2004	0.8	21,000	102,558	yes	both	03-03-2004	district	no	Intercensal population survey
Cambodia 2008	10.0	289,562	1,340,121	no	de facto	03-03-08	district	yes
Cambodia 2013	0.9	28,650	134,964	yes	both	03-03-2013	district	no	Intercensal population survey
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
Fiji 2014	10.0	19,407	86,372	no	de facto	3-13 to 12-13	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
Guatemala 1964	5.0	40,220	210,411	no	de facto	17-04-1964	municipality	yes
Guatemala 1973	5.5	59,622	289,458	no	de jure	26-03-1973	municipality	yes
Guatemala 1981	5.0	65,555	302,106	no	de jure	23-03-1981	municipality	yes
Guatemala 1994	10.0	160,603	833,139	no	de jure	17-04-1994	municipality	yes
Guatemala 2002	10.0	222,770	1,121,946	no	de jure	24-11-2002	municipality	yes
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

Sample Design [top]	Fraction (%)	Households	Persons	Weighted	De jure de facto	Census date (d-m-yr)	Smallest geography	Collective dwellings	Notes
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
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
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
Italy Surveys
Italy 2011 Q1 LFS	0.25	71,617	167,800	yes			province	no	Labor force survey; age grouped into categories
Italy 2012 Q1 LFS	0.25	63,916	149,205	yes					Labor force survey; age grouped into categories
Italy 2013 Q1 LFS	0.25	66,257	155,047	yes					Labor force survey; age grouped into categories
Italy 2014 Q1 LFS	0.15	44,187	101,388	yes					Labor force survey; age grouped into categories
Italy 2015 Q1 LFS	0.15	43,967	99,412	yes					Labor force survey; age grouped into categories
Italy 2016 Q1 LFS	0.15	44,446	98,654	yes					Labor force survey; age grouped into categories
Italy 2017 Q1 LFS	0.15	44,721	99,502	yes					Labor force survey; age grouped into categories
Italy 2018 Q1 LFS	0.15	43,706	97,141	yes					Labor force survey; age 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
Laos 2005	10.0	99,098	560,480	no	de jure	01-03-2005	province	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
Nepal 2001	9.0	411,851	2,067,609	yes	de jure	22-06-01	district	no
Nepal 2011	12.0	669,492	3,238,842	no	de jure	22-06-2011	district	no
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
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
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

Sample Design [top]	Fraction (%)	Households	Persons	Weighted	De jure de facto	Census date (d-m-yr)	Smallest geography	Collective dwellings	Notes
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
Russia 2002	5.0	2,638,145	7,136,457	no	de jure	09-10-2002	region	no
Russia 2010	5.0	2,726,392	7,047,151	no	de jure	14-10-2010	region	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
Spain Surveys
Spain 2005 Q1 LFS	0.35	54,956	155,997	yes			province	no	Labor force survey; age grouped into categories
Spain 2005 Q2 LFS	0.35	54,669	154,018	yes					Labor force survey; age grouped into categories
Spain 2005 Q3 LFS	0.35	53,486	149,934	yes					Labor force survey; age grouped into categories
Spain 2005 Q4 LFS	0.35	54,115	150,902	yes					Labor force survey; age grouped into categories
Spain 2006 Q1 LFS	0.35	55,765	155,333	yes					Labor force survey; age grouped into categories
Spain 2006 Q2 LFS	0.35	58,497	161,593	yes					Labor force survey; age grouped into categories
Spain 2006 Q3 LFS	0.35	58,182	159,511	yes					Labor force survey; age grouped into categories
Spain 2006 Q4 LFS	0.35	58,863	161,043	yes					Labor force survey; age grouped into categories
Spain 2007 Q1 LFS	0.35	60,135	164,935	yes					Labor force survey; age grouped into categories
Spain 2007 Q2 LFS	0.35	60,817	166,674	yes					Labor force survey; age grouped into categories
Spain 2007 Q3 LFS	0.35	60,589	165,687	yes					Labor force survey; age grouped into categories
Spain 2007 Q4 LFS	0.35	60,939	166,260	yes					Labor force survey; age grouped into categories
Spain 2008 Q1 LFS	0.35	61,535	167,350	yes					Labor force survey; age grouped into categories
Spain 2008 Q2 LFS	0.35	62,022	168,098	yes					Labor force survey; age grouped into categories
Spain 2008 Q3 LFS	0.35	61,648	166,647	yes					Labor force survey; age grouped into categories
Spain 2008 Q4 LFS	0.35	62,019	166,699	yes					Labor force survey; age grouped into categories
Spain 2009 Q1 LFS	0.35	62,180	166,436	yes					Labor force survey; age grouped into categories
Spain 2009 Q2 LFS	0.35	62,324	166,399	yes					Labor force survey; age grouped into categories
Spain 2009 Q3 LFS	0.35	65,847	175,335	yes					Labor force survey; age grouped into categories
Spain 2009 Q4 LFS	0.35	65,991	175,682	yes					Labor force survey; age grouped into categories
Spain 2010 Q1 LFS	0.35	65,929	175,030	yes					Labor force survey; age grouped into categories
Spain 2010 Q2 LFS	0.35	64,887	172,320	yes					Labor force survey; age grouped into categories
Spain 2010 Q3 LFS	0.35	64,548	170,922	yes					Labor force survey; age grouped into categories
Spain 2010 Q4 LFS	0.35	64,685	170,932	yes					Labor force survey; age grouped into categories
Spain 2011 Q1 LFS	0.35	65,033	171,487	yes					Labor force survey; age grouped into categories
Spain 2011 Q2 LFS	0.35	64,999	170,966	yes					Labor force survey; age grouped into categories
Spain 2011 Q3 LFS	0.35	64,267	168,979	yes					Labor force survey; age grouped into categories
Spain 2011 Q4 LFS	0.35	63,703	167,161	yes					Labor force survey; age grouped into categories
Spain 2012 Q1 LFS	0.35	65,258	171,344	yes					Labor force survey; age grouped into categories
Spain 2012 Q2 LFS	0.35	65,552	171,390	yes					Labor force survey; age grouped into categories
Spain 2012 Q3 LFS	0.35	64,997	169,649	yes					Labor force survey; age grouped into categories
Spain 2012 Q4 LFS	0.35	65,268	170,528	yes					Labor force survey; age grouped into categories
Spain 2013 Q1 LFS	0.35	65,537	170,854	yes					Labor force survey; age grouped into categories
Spain 2013 Q2 LFS	0.35	66,005	171,909	yes					Labor force survey; age grouped into categories
Spain 2013 Q3 LFS	0.35	65,629	170,601	yes					Labor force survey; age grouped into categories
Spain 2013 Q4 LFS	0.35	65,756	171,034	yes					Labor force survey; age grouped into categories
Spain 2014 Q1 LFS	0.35	65,861	171,013	yes					Labor force survey; age grouped into categories
Spain 2014 Q2 LFS	0.35	65,760	170,198	yes					Labor force survey; age grouped into categories
Spain 2014 Q3 LFS	0.35	65,027	167,824	yes					Labor force survey; age grouped into categories
Spain 2014 Q4 LFS	0.35	65,338	168,338	yes					Labor force survey; age grouped into categories
Spain 2015 Q1 LFS	0.35	65,159	167,536	yes					Labor force survey; age grouped into categories
Spain 2015 Q2 LFS	0.35	64,609	165,876	yes					Labor force survey; age grouped into categories
Spain 2015 Q3 LFS	0.35	63,616	162,775	yes					Labor force survey; age grouped into categories
Spain 2015 Q4 LFS	0.35	63,590	162,781	yes					Labor force survey; age grouped into categories
Spain 2016 Q1 LFS	0.35	63,192	161,465	yes					Labor force survey; age grouped into categories
Spain 2016 Q2 LFS	0.35	62,949	160,833	yes					Labor force survey; age grouped into categories
Spain 2016 Q3 LFS	0.35	62,706	159,957	yes					Labor force survey; age grouped into categories
Spain 2016 Q4 LFS	0.35	62,676	158,915	yes					Labor force survey; age grouped into categories
Spain 2017 Q1 LFS	0.35	63,144	159,714	yes					Labor force survey; age grouped into categories
Spain 2017 Q2 LFS	0.35	63,119	159,384	yes					Labor force survey; age grouped into categories
Spain 2017 Q3 LFS	0.35	63,100	158,785	yes					Labor force survey; age grouped into categories
Spain 2017 Q4 LFS	0.35	63,537	159,269	yes					Labor force survey; age grouped into categories
Spain 2018 Q1 LFS	0.35	64,472	160,875	yes					Labor force survey; age grouped into categories
Spain 2018 Q2 LFS	0.35	64,828	161,506	yes					Labor force survey; age grouped into categories
Spain 2018 Q3 LFS	0.35	64,794	161,363	yes					Labor force survey; age grouped into categories
Spain 2018 Q4 LFS	0.35	65,608	163,019	yes					Labor force survey; age grouped into categories
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
Togo 1960	10.0	21,052	137,343	no	both	11-58 to 12-60	urban areas	yes	Urban sample only
Togo 1970	1.0	4,081	23,680	no	both	03-70 to 04-70	district	no
Togo 2010	10.0	120,771	584,859	yes	both	6/21-11-2010	prefecture	no
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.