1. Zeitverwendungserhebung (ZVE) 82'820 Ghana;Ghana Time Use Survey,2009
2. 796 India 1998 Time Use Survey 232'804 India 2019 Time Use Survey 1'435'052 Iraq 2007 Household Socio-Economic Survey 77'568 Israel 1991 Centre for Time Use Research 16'096 Italy 2013 Uso del tempo 108'140 Japan 2006 Survey on Time Use and Leisure Activities 40'532 Kosovo 2017 Kosovo Workforce and Time Use Survey 32'516 Luxembourg 2014 Harmonized European Time Use Survey 13'476 Mongolia 2019 Time Use Survey 51'080 Morocco 2012 Time Use Survey 60'764 Netherlands 2011 Harmonized European Time Use Survey 38'360 Nicaragua 1999 Living Standard Measurement Survey 22'392 Norway 2010 Harmonized European Time Use Survey 23'032 Pakistan 2007 Time Use Survey 119'948 Palestinian Territories 2012 Time Use Survey 28'940 Poland 2013 Harmonized European Time Use Survey 229'092 Romania 2011 Harmonized European Time Use Survey 150'640 Serbia 2015 Seasonnal research on the use of time 14'596 South Africa 2010 Time Use Survey 117'176 South Korea 1999 Centre for Time Use;Hungary,2009
3. Sri Lanka time use survey 48'628 Tanzania 2006 Integrated Labour Force Survey 175'000 Tanzania 2014 Integrated Labour Force Survey 34'292 Tanzania 2021 Integrated Labour Force Survey 31'952 Turkey 2015 Time Use Survey 160'688 Uganda 2018 National Panel Survey 15'740 United Kingdom 2014 Harmonized European Time Use Survey 43'560 United States 1965 Multinational Comparative Time-Budget Research Project as part of AHTUS 7'956 United States 1975 American's Use of Time: Time Use in Economic and Social Accounts as part of AHTUS 15'016 United States 1985 American's Use of Time as part of AHTUS 10'172 United States 2003 American Time Use Survey 69'964 United States;Sri Lanka;American Time Use Survey,2004
4. The Career Costs of Children;J�r�me Adda;Journal of Political Economy,2017