SERIAL is a 7-digit numeric variable.

Description

SERIAL is an identifying number unique to each respondent.

Comparability

This variable is constant across years.

Universe

Availability

• Armenia: 2008
• Austria: 2008
• Belgium: 1966
• Bulgaria: 1965, 2001
• Canada: 2005, 2015
• Czech Republic: 1965
• Finland: 2009
• France: 1966, 2009
• Germany: 1965
• Hungary: 1999, 2009
• Israel: 1991
• Italy: 2002, 2008
• Netherlands: 1975, 1980, 1985, 1990, 1995, 2000
• Peru: 1966
• Serbia: 1965
• South Africa: 2000, 2010
• South Korea: 1999, 2004, 2009
• Spain: 2002
• United Kingdom: 1983, 1987, 1995, 2000, 2005
• United States: 1965, 1975, 1985, 1993, 1995, 1998, 2003-2023