1 Does it matter who answers the census questions? Comparing self-reported and proxy-reported parity answers among Brazilian Indigenous women The impact of proxy interviews on Brazilian Indigenous parity João Luiz Bastos 1 Ricardo Ventura Santos 2 Oswaldo Gonçalves Cruz 3 Luciene Aparecida Ferreira de Barros Longo 4 Nilza de Oliveira Martins Pereira 5 1 Associate Professor at the Department of Public Health, Federal University of Santa Catarina. Florianópolis, SC, Brazil. 2 Associate Professor at the Department of Anthropology of the National Museum, Federal University of Rio de Janeiro; Senior Researcher at the National School of Public Health, Oswaldo Cruz Foundation. Rio de Janeiro, RJ, Brazil. 3 Researcher at the Scientific Computation Program, Oswaldo Cruz Foundation. Rio de Janeiro, RJ, Brazil. 4 Technologist in Geographic Information and Statistics, Brazilian Institute of Geography and Statistics, Belo Horizonte, MG, Brazil. 5 Technologist in Geographic Information and Statistics, Brazilian Institute of Geography and Statistics, Rio de Janeiro, RJ, Brazil. Correspondence to: Ricardo Ventura Santos Escola Nacional de Saúde Pública/ FIOCRUZ Rua Leopoldo Bulhões, 1840 Rio de Janeiro – RJ/ Brasil 21041-210 Electronic mail: santos@ensp.fiocruz.br