PERNUM is a 4-digit numeric variable.

Description

PERNUM numbers all persons within each household consecutively (starting with "1" for the first person record of each household). When combined with SAMPLE and SERIAL, PERNUM uniquely identifies each person in the IPUMS-International database.

Comparability — General

This variable is fully comparable across all samples.

In the samples that are not organized into households, every person receives a "1".

Universe

Availability

• Argentina: 1970, 1980, 1991, 2001, 2010
• Armenia: 2001, 2011
• Austria: 1971, 1981, 1991, 2001, 2011
• Bangladesh: 1991, 2001, 2011
• Belarus: 1999, 2009
• Benin: 1979, 1992, 2002, 2013
• Bolivia: 1976, 1992, 2001, 2012
• Botswana: 1981, 1991, 2001, 2011
• Brazil: 1960, 1970, 1980, 1991, 2000, 2010
• Burkina Faso: 1985, 1996, 2006
• Cambodia: 1998, 2004, 2008, 2013, 2019
• Cameroon: 1976, 1987, 2005
• Canada: 1852, 1871, 1881, 1891, 1901, 1911, 1971, 1981, 1991, 2001, 2011
• Chile: 1960, 1970, 1982, 1992, 2002, 2017
• China: 1982, 1990, 2000
• Colombia: 1964, 1973, 1985, 1993, 2005
• Costa Rica: 1963, 1973, 1984, 2000, 2011
• Cuba: 2002, 2012
• Côte d'Ivoire: 1988, 1998
• Denmark: 1787, 1801, 1845, 1880, 1885
• Dominican Republic: 1960, 1970, 1981, 2002, 2010
• Ecuador: 1962, 1974, 1982, 1990, 2001, 2010
• Egypt: 1848, 1868, 1986, 1996, 2006
• El Salvador: 1992, 2007
• Ethiopia: 1984, 1994, 2007
• Fiji: 1966, 1976, 1986, 1996, 2007, 2014
• Finland: 2010
• France: 1962, 1968, 1975, 1982, 1990, 1999, 2006, 2011
• Germany: 1819, 1970, 1971, 1981, 1987
• Ghana: 1984, 2000, 2010
• Greece: 1971, 1981, 1991, 2001, 2011
• Guatemala: 1964, 1973, 1981, 1994, 2002
• Guinea: 1983, 1996, 2014
• Haiti: 1971, 1982, 2003
• Honduras: 1961, 1974, 1988, 2001, 2013
• Hungary: 1970, 1980, 1990, 2001, 2011
• Iceland: 1703, 1729, 1801, 1901, 1910
• India: 1983, 1987, 1993, 1999, 2004, 2009
• Indonesia: 1971, 1976, 1980, 1985, 1990, 1995, 2000, 2005, 2010
• Iran: 2006, 2011
• Iraq: 1997
• Ireland: 1901, 1911, 1971, 1979, 1981, 1986, 1991, 1996, 2002, 2006, 2011, 2016
• Israel: 1972, 1983, 1995, 2008
• Italy: 2001, 2011, 2011Q1, 2012Q1, 2013Q1, 2014Q1, 2015Q1, 2016Q1, 2017Q1, 2018Q1, 2019Q1, 2020Q1
• Jamaica: 1982, 1991, 2001
• Jordan: 2004
• Kenya: 1969, 1979, 1989, 1999, 2009, 2019
• Kyrgyzstan: 1999, 2009
• Laos: 1995, 2005, 2015
• Lesotho: 1996, 2006
• Liberia: 1974, 2008
• Malawi: 1987, 1998, 2008, 2018
• Malaysia: 1970, 1980, 1991, 2000
• Mali: 1987, 1998, 2009
• Mauritius: 1990, 2000, 2011
• Mexico: 1960, 1970, 1990, 1995, 2000, 2005, 2005Q1, 2005Q2, 2005Q3, 2005Q4, 2006Q1, 2006Q2, 2006Q3, 2006Q4, 2007Q1, 2007Q2, 2007Q3, 2007Q4, 2008Q1, 2008Q2, 2008Q3, 2008Q4, 2009Q1, 2009Q2, 2009Q3, 2009Q4, 2010, 2010Q1, 2010Q2, 2010Q3, 2010Q4, 2011Q1, 2011Q2, 2011Q3, 2011Q4, 2012Q1, 2012Q2, 2012Q3, 2012Q4, 2013Q1, 2013Q2, 2013Q3, 2013Q4, 2014Q1, 2014Q2, 2014Q3, 2014Q4, 2015, 2015Q1, 2015Q2, 2015Q3, 2015Q4, 2016Q1, 2016Q2, 2016Q3, 2016Q4, 2017Q1, 2017Q2, 2017Q3, 2017Q4, 2018Q1, 2018Q2, 2018Q3, 2018Q4, 2019Q1, 2019Q2, 2019Q3, 2019Q4, 2020, 2020Q1, 2020Q3
• Mongolia: 1989, 2000, 2010, 2020
• Morocco: 1982, 1994, 2004, 2014
• Mozambique: 1997, 2007, 2017
• Myanmar: 2014
• Nepal: 2001, 2011
• Netherlands: 1960, 1971, 2001, 2011
• Nicaragua: 1971, 1995, 2005
• Nigeria: 2006, 2007, 2008, 2009, 2010
• Norway: 1801, 1865, 1875, 1900, 1910
• Pakistan: 1973, 1981, 1998
• Palestine: 1997, 2007, 2017
• Panama: 1960, 1970, 1980, 1990, 2000, 2010
• Papua New Guinea: 1980, 1990, 2000
• Paraguay: 1962, 1972, 1982, 1992, 2002
• Peru: 1993, 2007, 2017
• Philippines: 1990, 1995, 1997Q1, 1997Q2, 1997Q3, 1997Q4, 1998Q1, 1998Q2, 1998Q3, 1998Q4, 1999Q1, 1999Q2, 1999Q3, 1999Q4, 2000, 2000Q1, 2000Q2, 2000Q3, 2000Q4, 2001Q1, 2001Q2, 2001Q3, 2001Q4, 2002Q1, 2002Q2, 2002Q3, 2002Q4, 2003Q1, 2003Q2, 2003Q3, 2003Q4, 2004Q1, 2004Q2, 2004Q3, 2004Q4, 2005Q1, 2005Q2, 2005Q3, 2005Q4, 2006Q1, 2006Q2, 2006Q3, 2006Q4, 2007Q1, 2007Q2, 2007Q3, 2007Q4, 2008Q1, 2008Q2, 2008Q3, 2008Q4, 2009Q1, 2009Q2, 2009Q3, 2009Q4, 2010, 2010Q1, 2010Q2, 2010Q3, 2010Q4, 2011Q1, 2011Q2, 2011Q3, 2011Q4, 2012Q1, 2012Q2, 2012Q3, 2012Q4, 2013Q1, 2013Q2, 2013Q3, 2013Q4, 2014Q1, 2014Q2, 2014Q3, 2014Q4, 2015Q1, 2015Q2, 2015Q3, 2015Q4, 2016Q1, 2016Q2, 2016Q3, 2016Q4, 2017Q1, 2017Q2, 2017Q3, 2017Q4, 2018Q1, 2018Q2, 2018Q3, 2018Q4, 2019Q1, 2019Q2, 2019Q3
• Poland: 1978, 1988, 2002, 2011
• Portugal: 1981, 1991, 2001, 2011
• Puerto Rico: 1970, 1980, 1990, 2000, 2005, 2010, 2015, 2020
• Romania: 1977, 1992, 2002, 2011
• Russia: 2002, 2010
• Rwanda: 1991, 2002, 2012
• Saint Lucia: 1980, 1991
• Senegal: 1988, 2002, 2013
• Sierra Leone: 2004, 2015
• Slovakia: 1991, 2001, 2011
• Slovenia: 2002
• South Africa: 1996, 2001, 2007, 2011, 2016
• South Sudan: 2008
• Spain: 1981, 1991, 2001, 2005Q1, 2005Q2, 2005Q3, 2005Q4, 2006Q1, 2006Q2, 2006Q3, 2006Q4, 2007Q1, 2007Q2, 2007Q3, 2007Q4, 2008Q1, 2008Q2, 2008Q3, 2008Q4, 2009Q1, 2009Q2, 2009Q3, 2009Q4, 2010Q1, 2010Q2, 2010Q3, 2010Q4, 2011, 2011Q1, 2011Q2, 2011Q3, 2011Q4, 2012Q1, 2012Q2, 2012Q3, 2012Q4, 2013Q1, 2013Q2, 2013Q3, 2013Q4, 2014Q1, 2014Q2, 2014Q3, 2014Q4, 2015Q1, 2015Q2, 2015Q3, 2015Q4, 2016Q1, 2016Q2, 2016Q3, 2016Q4, 2017Q1, 2017Q2, 2017Q3, 2017Q4, 2018Q1, 2018Q2, 2018Q3, 2018Q4, 2019Q1, 2019Q2, 2019Q3, 2019Q4, 2020Q1, 2020Q2, 2020Q3, 2020Q4
• Sudan: 2008
• Suriname: 2004, 2012
• Sweden: 1880, 1890, 1900, 1910
• Switzerland: 1970, 1980, 1990, 2000, 2011
• Tanzania: 1988, 2002, 2012
• Thailand: 1970, 1980, 1990, 2000
• Togo: 1960, 1970, 2010
• Trinidad and Tobago: 1970, 1980, 1990, 2000, 2011
• Turkey: 1985, 1990, 2000
• Uganda: 1991, 2002, 2014
• Ukraine: 2001
• United Kingdom: 1851a, 1851b, 1851c, 1861a, 1861b, 1871b, 1881a, 1881b, 1891a, 1891b, 1901a, 1901b, 1911, 1961, 1971, 1991, 2001
• United States: 1850a, 1850b, 1860, 1870, 1880a, 1880b, 1900, 1910, 1960, 1970, 1980, 1990, 2000, 2005, 2010, 2015, 2020
• Uruguay: 1963, 1975, 1985, 1996, 2006, 2011
• Venezuela: 1971, 1981, 1990, 2001
• Vietnam: 1989, 1999, 2009, 2019
• Zambia: 1990, 2000, 2010
• Zimbabwe: 2012