Journal of Population Problems Vol.81 No.2 - Special Issue: Constructing a Demography of Sexual Orientation and Gender Identity (Part 1) / Methodological Development of Population and Household Projections in an Era of Long-term Population Decline and Large-scale International Migration

This issue is an academic journal published by the National Institute of Population and Social Security Research in June 2025, containing two special features. Special Feature I presents "Constructing a Demography of Sexual Orientation and Gender Identity (Part 1)", introducing pioneering demographic research on SOGI in Japan. Special Feature II covers "Methodological Development and Application of Population and Household Projections in an Era of Long-term Population Decline and Large-scale International Migration (Part 2)", including historical demographic studies on wartime mortality structure estimation. Special Feature III presents empirical research on intergenerational relationships using microdata from the 7th National Survey on Family Dynamics (2022).