This is the 2015 Insurance Sector Sustainability Report, produced by the Brazilian Insurance Confederation (CNseg). The document summarizes the most important events and annual highlights of 2015 relating to CNseg, its four segmental federations – FenSeg (National Federation for General Insurance), FenaPrevi (National Federation for Private Pensions and Life Insurance), FenaSaúde (National Federation for Supplementary Healthcare) and FenaCap (National Federation for Capitalization) – and the Brazilian insurance market.