Total Oceania Year Pop. ±% p.a. 1950 12,682,000 — 1960 15,784,000 +2.21% 1970 19,688,000 +2.23% 1980 22,972,000 +1.55% 1990 26,971,000 +1.62% 2000 31,068,000 +1.42% 2010 36,411,000 +1.60% 2016 39,901,000 +1.54%