Infant, neonatal and early neonatal mortality rates since the 1920s (per 1,000 live births), both sexes combined, in Canada and the United States
Sources: Canada: for infant and neonatal mortality, 1926–1990: Wadhera and Strachan (1993a), Tables 2b and 6; 1991–2009: Statistics Canada, CANSIM database, Table 102–0507; for early neonatal mortality, authors’ calculations based on Statistics Canada, CANSIM database, Table 102–0508 and the Canadian Human Mortality Database (2012). United States: for infant and neonatal mortality, 1933–1974: National Center for Health Statistics (2002), Table 2–2: 1975–2009: Xu et al. (2010), Table 30; for early neonatal mortality, authors’ calculations based on MacDorman and Kirmeyer (2009), Table B, on National Center for Health Statistics (2002), Tables 3–2 and 4–1, and on the Human Mortality Database (2012).