Total North America Year Pop. ±% p.a. 1950 226,719,000 — 1960 276,291,000 +2.00% 1970 326,036,000 +1.67% 1980 376,390,000 +1.45% 1990 429,653,000 +1.33% 2000 490,818,000 +1.34% 2010 546,867,000 +1.09% 2016 577,184,405 +0.90%