World Population

The world population is the total number of living humans on Earth. As of today, it is estimated to number 7.055 billion by the United States Census Bureau (USCB). The USCB estimates that the world population exceeded 7 billion on March 12, 2012. According to a separate estimate by the United Nations Population Fund, it reached this milestone on October 31, 2011.

The world population has experienced continuous growth since the end of the Great Famine and the Black Death in 1350, when it stood at around 370 million. The highest rates of growth – global population increases above 1.8% per year – were seen briefly during the 1950s, and for a longer period during the 1960s and 1970s. The growth rate peaked at 2.2% in 1963, and had declined to 1.1% by 2011. Total annual births were highest in the late 1980s at about 138 million, and are now expected to remain essentially constant at their 2011 level of 134 million, while deaths number 56 million per year, and are expected to increase to 80 million per year by 2040.

Current projections show a continued increase in population in the near future (but a steady decline in the population growth rate), with the global population expected to reach between 7.5 and 10.5 billion by 2050. Various longer-term estimates predict further growth, stagnation, or even overall decline in the global population by 2150. Some analysts have questioned the sustainability of further world population growth, citing the growing pressures on the environment and global food supplies.

World population (millions)
# 1990 2008 2025*
1 China 1,141 1,333 1,458
2 India 849 1,140 1,398
3 United States 250 304 352
4 Indonesia 178 228 273
5 Brazil 150 192 223
6 Pakistan 108 166 226
7 Bangladesh 116 160 198
8 Nigeria 94 151 208
9 Russia 148 142 137
10 Japan 124 128 126
World total 5,265 6,688 8,004
Top ten most populous (%) 60.0 % 58.9 % 57.5 %
1 Asia 1,613 2,183 2,693
+ China 1,141 1,333 1,458
+ OECD Pacific* 187 202 210
2 Africa 634 984 1,365
3 Europe* 564 603 659
+ Russia 148 142 137
+ ex-Soviet Union* 133 136 146
4 Latin America 355 462 550
5 North America* 359 444 514
6 Middle East 132 199 272
Australia 17 22 28
European Union – 27 states 473 499 539
US + Canada 278 338 392
Ex-Soviet Union 289 285 289

Read more about World PopulationPopulation By Region, Milestones By The Billions, Global Demographics, Largest Populations By Country, Fluctuation

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