TY - CHAP A1 - Nakamura, T. T1 - Relative indices of educational attainment and trend analysis of inequality of educational opportunity using the 2015 SSM survey data Y1 - 2022 DO - 10.1007/978-981-19-3647-0_4 A3 - Shirahase, S. T2 - Social stratification in an aging society with low fertility: The case of Japan CY - Singapore PB - Springer ER -