Co-investigators	Kenji Suzuki
University	School of Global Japanese Studies, Meiji University, E-mail. kenjisuz@kisc.meiji.ac.jp
Respondents
Case number	Item codes	Surveys
1	O-HL-c-sq-v-4-p	World Values Surveys 1980, 1990, 1995, 2000, 2005 Japanese version of standard 4-step happiness item
2	O-SLu-c-sq-v-4-f	Life-in-Nation surveys 1958-1963
3	O-SLu-u-sq-v-4-h	Japanese Character surveys 1993, 1998, 2003, 2008
4	O-SLu-c-sq-v-4-e	Life-in-Nation surveys 1970-1991
5	O-SLW-c-sq-v-4-e	Life-in-Nation surveys 1992-2010
6	O-SLW-c-sq-v-5-fc	Leisure Development Center, International survey 1979
7	O-SLW-u-sq-v-5-g	Lifestyle preference survey 1978-1999, 2002-2008
8	O-SLW-u-sq-v-5-h	Lifestyle preference survey 2001
9	O-SLW-c-sq-v-5-r	East Asia Value Survey 2002-2005
Questionnaire	japanese3questionnaire
Data file	japanese3data
Remarks	item O-SLu-u-sq-v-4-e (used in Life-in-Nation surveys 1964-1969) not included since only time reference differs from case 4