Oplysningerne er fra 2015. Andre år: 20212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999199819971996199519941993199219911990198919881987198619851984198319821981198019791978197719761975197419731972197119701969196819671966196519641963196219611960 Kilde: UN (United Nations). 2005. World Population Prospects 1950-2050: The 2004 Revision. Database. Department of Economic and Social Affairs, Population Division. New York