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AGEFIRSTSEX
Age at first sexual intercourse
Return to Sexual behavior variables list

Codes and Frequencies



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Description

AGEFIRSTSEX indicates the respondent's age at first sexual intercourse.

This variable includes information from both women and men.

Comparability — Index

GENERAL
Cameroon
 Mongolia
 Mozambique

Comparability

There are universe differences with respect to age, with Round 3 women samples addressing the survey question only to women age 15-24. A small number of samples restrict the universe of respondents based on marital or cohabitation status, fertility history, or sexual experience.

Comparability — Cameroon [top]

The Cameroon 2006 women sample asked the question only of ever-married women.

Comparability — Mongolia [top]

The Mongolia 2010 and 2012 (Khuvsgul Aimag) women samples asked the question only of ever-married women who had given birth.

The Mongolia 2010 and 2012 (Khuvsgul Aimag) men samples asked the question only of men who ever had biological children or were ever-married.

Comparability — Mozambique [top]

The Mozambique 2008 women sample asked the question to women who were ever married or ever lived with a man and ever had intercourse.

Universe

  • Argentina 2019: Women age 15-49
  • Azerbaijan 2023: Ever-married or partnered women age 15-49
  • Barbados 2012: Women age 15-49
  • Belarus 2012: Women age 15-49
  • Belarus 2019: Women age 15-49
  • Belize 2006: Women age 15-24
  • Belize 2011: Women age 15-49
  • Belize 2015: Women age 15-49
  • Benin 2014: Women age 15-49
  • Bhutan 2010: Women age 15-49
  • Bosnia and Herzegovina 2006: Women age 15-24
  • Bosnia and Herzegovina (Roma) 2011: Women age 15-49
  • Bosnia and Herzegovina 2011: Women age 15-49
  • Burkina Faso 2006: Women age 15-24
  • Burundi 2005: Women age 15-24
  • Cameroon 2006: Ever-married women age 15-24
  • Cameroon 2014: Women age 15-49
  • Central African Republic 2006: Women age 15-24
  • Central African Republic 2010: Women age 15-49
  • Central African Republic 2018: Women age 15-49
  • Chad 2010: Women age 15-49
  • Chad 2019: Women age 15-49
  • Comoros 2022: Women age 15-49
  • Congo 2014: Women age 15-49
  • Congo Democratic Republic 2010: Women age 15-49
  • Congo Democratic Republic 2017: Women age 15-49
  • Costa Rica 2011: Women age 15-49
  • Costa Rica 2018: Women age 15-49
  • Cote D'Ivoire 2016: Women age 15-49
  • Cuba 2010: Women age 15-49
  • Cuba 2014: Women age 15-49
  • Cuba 2019: Women age 15-49
  • Dominican Republic 2014: Women age 15-49
  • Dominican Republic 2019: Women age 15-49
  • El Salvador 2014: Women age 15-49
  • Eswatini (Swaziland) 2010: Women age 15-49
  • Eswatini (Swaziland) 2014: Women age 15-49
  • Eswatini (Swaziland) 2021: Women age 15-49 from households also surveyed for the male questionnaire
  • Fiji 2021: Women age 15-49
  • Gambia 2005: Women age 15-24
  • Gambia 2010: Women age 15-49
  • Gambia 2018: Women age 15-49
  • Ghana 2006: Women age 15-49
  • Ghana (Accra) 2010: Women age 15-49
  • Ghana 2011: Women age 15-49
  • Ghana 2017: Women age 15-49
  • Guinea 2016: Women age 15-49
  • Guinea Bissau 2006: Women age 15-24
  • Guinea Bissau 2014: Women age 15-49
  • Guinea Bissau 2018: Women age 15-49
  • Guyana 2014: Women age 15-49
  • Guyana 2019: Women age 15-49
  • Honduras 2019: Women age 15-49
  • Indonesia (West Papua) 2011: Women age 15-49
  • Indonesia (Papua) 2011: Women age 15-49
  • Kazakhstan 2010: Women age 15-24
  • Kazakhstan 2015: Women age 15-49
  • Kenya (Mombasa informal settlements) 2009: Women age 15-49
  • Kenya (Nyanza Province) 2011: Women age 15-49
  • Kenya (Turkana County) 2013: Women age 15-49
  • Kenya (Kakamega) 2013: Women age 15-49
  • Kenya (Bungoma) 2013: Women age 15-49
  • Kiribati 2018: Women age 15-49
  • Kosovo (Roma) 2013: Women age 15-49
  • Kosovo 2013: Women age 15-49
  • Kyrgyzstan 2005: Women age 15-24
  • Laos 2011: Women age 15-49
  • Laos 2017: Women age 15-49
  • Madagascar (South) 2012: Women age 15-49
  • Madagascar 2018: Women age 15-49
  • Malawi 2006: Women age 15-49
  • Malawi 2013: Women age 15-49
  • Malawi 2019: Women age 15-49
  • Mali 2009: Women age 15-49
  • Mali 2015: Women age 15-49
  • Mexico 2015: Women age 15-49
  • Moldova 2012: Women age 15-49
  • Mongolia 2010: Women age 15-24 who were ever married or ever gave birth
  • Mongolia (Khuvsgul Aimag) 2012: Women age 15-24 who were ever married or ever gave birth
  • Mongolia 2013: Women age 15-49
  • Mongolia (Khuvsgul Aimag) 2016: Women age 15-49
  • Mongolia (Nalaikh) 2016: Women age 15-49
  • Mongolia 2018: Women age 15-49
  • Montenegro 2005: Women age 15-24
  • Montenegro (Roma) 2013: Women age 15-49
  • Montenegro 2013: Women age 15-49
  • Montenegro 2018: Women age 15-49
  • Montenegro (Roma) 2018: Women age 15-49
  • Mozambique 2008: Women age 15-24 who are ever married, lived with a man, or ever had intercourse
  • Nigeria 2007: Women age 15-49
  • Nigeria 2011: Women age 15-49
  • Nigeria 2016: Women age 15-49
  • Nigeria 2021: Women age 15-49
  • North Macedonia 2005: Women age 15-24
  • Panama 2013: Women age 15-49
  • Paraguay 2016: Women age 15-49
  • Saint Lucia 2012: Women age 15-49
  • Samoa 2019: Women age 15-49
  • Sao Tome and Principe 2014: Women age 15-49
  • Sao Tome and Principe 2019: Women age 15-49
  • Senegal (Dakar City) 2015: Women age 15-49
  • Serbia 2005: Women age 15-24
  • Serbia 2010: Women age 15-49
  • Serbia (Roma) 2010: Women age 15-49
  • Serbia 2019: Women age 15-49
  • Serbia (Roma) 2019: Women age 15-49
  • Sierra Leone 2005: Women age 15-24
  • Sierra Leone 2010: Women age 15-49
  • Sierra Leone 2017: Women age 15-49
  • South Sudan 2010: Women age 15-49
  • Suriname 2006: Women age 15-24
  • Suriname 2010: Women age 15-49
  • Suriname 2018: Women age 15-49
  • Togo 2006: Women age 15-24
  • Togo 2010: Women age 15-49
  • Togo 2017: Women age 15-49
  • Tonga 2019: Women age 15-49
  • Trinidad and Tobago 2006: Women age 15-24
  • Trinidad and Tobago 2011: Women age 15-49
  • Trinidad and Tobago 2022: Women age 15-49
  • Turks and Caicos 2019: Women age 15-49
  • Tuvalu 2019: Women age 15-49
  • Ukraine 2012: Women age 15-49
  • Uruguay 2012: Women age 15-49
  • Uzbekistan 2006: Women age 15-24
  • Vanuatu 2023: Women age 15-49
  • Viet Nam 2010: Women age 15-49
  • Viet Nam 2020: Women age 15-49
  • Zimbabwe 2014: Women age 15-49
  • Zimbabwe 2019: Women age 15-49

Availability

  • Argentina: 2019
  • Azerbaijan: 2023
  • Barbados: 2012
  • Belarus: 2012, 2019
  • Belize: 2006, 2011, 2015
  • Benin: 2014
  • Bhutan: 2010
  • Bosnia and Herzegovina: 2006, 2011
  • Bosnia and Herzegovina (Roma): 2011
  • Burkina Faso: 2006
  • Burundi: 2005
  • Cameroon: 2006, 2014
  • Central African Republic: 2006, 2010, 2018
  • Chad: 2010, 2019
  • Comoros: 2022
  • Congo: 2014
  • Congo Democratic Republic: 2010, 2017
  • Costa Rica: 2011, 2018
  • Cote D'Ivoire: 2016
  • Cuba: 2010, 2014, 2019
  • Dominican Republic: 2014, 2019
  • El Salvador: 2014
  • Eswatini (Swaziland): 2010, 2014, 2021
  • Fiji: 2021
  • Gambia: 2005, 2010, 2018
  • Ghana: 2006, 2011, 2017
  • Ghana (Accra): 2010
  • Guinea: 2016
  • Guinea Bissau: 2006, 2014, 2018
  • Guyana: 2014, 2019
  • Honduras: 2019
  • Indonesia (Papua): 2011
  • Indonesia (West Papua): 2011
  • Kazakhstan: 2010, 2015
  • Kenya (Mombasa informal settlements): 2009
  • Kenya (Nyanza Province): 2011
  • Kenya (Bungoma): 2013
  • Kenya (Kakamega): 2013
  • Kenya (Turkana County): 2013
  • Kiribati: 2018
  • Kosovo: 2013
  • Kosovo (Roma): 2013
  • Kyrgyzstan: 2005
  • Laos: 2011, 2017
  • Madagascar: 2018
  • Madagascar (South): 2012
  • Malawi: 2006, 2013, 2019
  • Mali: 2009, 2015
  • Mexico: 2015
  • Moldova: 2012
  • Mongolia: 2010, 2013, 2018
  • Mongolia (Khuvsgul Aimag): 2012, 2016
  • Mongolia (Nalaikh): 2016
  • Montenegro: 2005, 2013, 2018
  • Montenegro (Roma): 2013, 2018
  • Mozambique: 2008
  • Nigeria: 2007, 2011, 2016, 2021
  • North Macedonia: 2005
  • Panama: 2013
  • Paraguay: 2016
  • Saint Lucia: 2012
  • Samoa: 2019
  • Sao Tome and Principe: 2014, 2019
  • Senegal (Dakar City): 2015
  • Serbia: 2005, 2010, 2019
  • Serbia (Roma): 2010, 2019
  • Sierra Leone: 2005, 2010, 2017
  • South Sudan: 2010
  • Suriname: 2006, 2010, 2018
  • Togo: 2006, 2010, 2017
  • Tonga: 2019
  • Trinidad and Tobago: 2006, 2011, 2022
  • Turks and Caicos: 2019
  • Tuvalu: 2019
  • Ukraine: 2012
  • Uruguay: 2012
  • Uzbekistan: 2006
  • Vanuatu: 2023
  • Viet Nam: 2010, 2020
  • Zimbabwe: 2014, 2019