Quanbao Jiang is Professor of Demography at the Institute for Population and Development Studies, Xi’an Jiaotong University, China. His research interests include demographic analysis and public policy and gender imbalance in China.Shuzhuo Li is University Distinguished Professor at Xi’an Jiaotong University, China, Vice President of the China Population Association, and a member of the Social Science Committee of the Ministry of Education. His research interests include population and development policies in China.

• 1. Introduction 2. The data quality of SRB 3. Estimation of SRB and abortion proportions 4. The changing trend of SRB 5. Change in China’s SRB: A dynamic spatial panel approach 6. A decomposition of changes in SRB by birth order 7. A decomposition of changes in China’s SRB at the provincial level 8. Missing girls from 1980 to 2010 9. Male surplus 10. China’s high SRB and population development 11. Marriage squeeze in China’s future 12. Marriage squeeze, never-married proportion and mean age at first marriage 13. The decomposition of marriage squeeze into age and sex structure 14. The life cycle of bare branch families

Quanbao Jiang is Professor of Demography at the Institute for Population and Development Studies, Xi’an Jiaotong University, China. His research interests include demographic analysis and public policy and gender imbalance in China.Shuzhuo Li is University Distinguished Professor at Xi’an Jiaotong University, China, Vice President of the China Population Association, and a member of the Social Science Committee of the Ministry of Education. His research interests include population and development policies in China.

• 1. Introduction 2. The data quality of SRB 3. Estimation of SRB and abortion proportions 4. The changing trend of SRB 5. Change in China’s SRB: A dynamic spatial panel approach 6. A decomposition of changes in SRB by birth order 7. A decomposition of changes in China’s SRB at the provincial level 8. Missing girls from 1980 to 2010 9. Male surplus 10. China’s high SRB and population development 11. Marriage squeeze in China’s future 12. Marriage squeeze, never-married proportion and mean age at first marriage 13. The decomposition of marriage squeeze into age and sex structure 14. The life cycle of bare branch families

Quanbao Jiang is Professor of Demography at the Institute for Population and Development Studies, Xi’an Jiaotong University, China. His research interests include demographic analysis and public policy and gender imbalance in China.Shuzhuo Li is University Distinguished Professor at Xi’an Jiaotong University, China, Vice President of the China Population Association, and a member of the Social Science Committee of the Ministry of Education. His research interests include population and development policies in China.

• 1. Introduction 2. The data quality of SRB 3. Estimation of SRB and abortion proportions 4. The changing trend of SRB 5. Change in China’s SRB: A dynamic spatial panel approach 6. A decomposition of changes in SRB by birth order 7. A decomposition of changes in China’s SRB at the provincial level 8. Missing girls from 1980 to 2010 9. Male surplus 10. China’s high SRB and population development 11. Marriage squeeze in China’s future 12. Marriage squeeze, never-married proportion and mean age at first marriage 13. The decomposition of marriage squeeze into age and sex structure 14. The life cycle of bare branch families