Data appendix for Big BRICs, Weak Foundations: The Beginning of Public Elementary Education in Brazil, Russia, India, and China Latika Chaudhary, Aldo Musacchio, Steven Nafziger, Se Yan Data appendix for NBER.xlsx This appendix contains all the tables and a workfile that explains the sources and assumptions we had to make to calculate the school-age population for all the countries in Table 1 of our paper