Total South America Year Pop. ±% 1950 113,739,000 — 1960 149,066,000 +31.1% 1970 193,486,000 +29.8% 1980 242,862,000 +25.5% 1990 297,869,000 +22.6% 2000 349,796,000 +17.4% 2010 397,085,000 +13.5% 2016 420,458,044 +5.9%