The supplemental .zip archive for this publication contains the following files. 1. CSV_files countries.csv: list of studied countries fertility_inputs.csv: fertility rates derived from the 2012 WPP mortality_inputs.csv: probabilities of dying derived from the 2012 WPP 2. R_code_files write_socsim.R: writes text files for Socsim run_socsim.R: runs simulations from Socsim apply_methods.R: applies estimations methods to simulated data main_results.R: produces results displayed in the paper appendix_results.R: produces results displayed in the appendix D 3. R_data_files simulated_data_x.RData: country-specific simulated data methods_coeffients.RData: coefficients to apply SBH methods methods_functions.RData: R functions to apply estimation methods to simulated data estimates.RData: U5MR estimates for all methods appendix.RData: supplementary data for appendix results 4. Socsim_files Fertily rates: includes formated fertility rate files for each country and year Mortality rates: includes formated mortality rate files (probabilities of dying) for each country and year Multipliers: includes regional death multiplier files Population files: includes input and output population files (.opop) Supervisory files: includes supervisory files for each country (.sup) fromdos.exe: executable for text formatting in Unix