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					Table with row headers in column A and column headers in rows 4 and 5.
Table 1331. Population and Population Change, by Development Status
[In millions, except percent (2,557 represents 2,557,000,000). As of midyear. Minus sign (-) indicates decrease.
The "less developed" countries include all of Africa, all of Asia except Japan, the Transcaucasian and Central
Asian republics of the New Independent States, all of Latin America and the Caribbean, and all of Oceania
except Australia, New Zealand and Hawaii. This category matches the "less developed country" classification
employed by the United Nations]
                                              Number (millions)                          Percent of world
               Year                             Less developed   More developed   Less developed   More developed
                                        World
                                                  countries \1     countries \1     countries \1     countries \1
       Population (millions)
1950                                    2,557           1,749              807             68.4                31.6
1960                                    3,042           2,132              911             70.1                29.9
1970                                    3,713           2,709            1,004             73.0                27.0
1980                                    4,453           3,371            1,082             75.7                24.3
1990                                    5,289           4,145            1,144             78.4                21.6
2000                                    6,089           4,895            1,193             80.4                19.6
2010                                    6,853           5,622            1,231             82.0                18.0
2020                                    7,597           6,338            1,259             83.4                16.6
2030                                    8,259           6,984            1,275             84.6                15.4
2040                                    8,820           7,539            1,281             85.5                14.5
2050                                    9,284           8,005            1,279             86.2                13.8

 Population change (millions)
1950 to 1960                              486             382              104             78.7                21.3
1960 to 1970                              670             578               93             86.2                13.8
1970 to 1980                              740             662               78             89.4                10.6
1980 to 1990                              836             774               62             92.5                 7.5
1990 to 2000                              800             751               49             93.8                 6.2
2000 to 2010                              764             727               38             95.1                 4.9
2010 to 2020                              744             716               28             96.2                 3.8
2020 to 2030                              662             646               16             97.6                 2.4
2030 to 2040                              561             555                6             99.0                 1.0
2040 to 2050                              464             466               -2            100.3                -0.3


FOOTNOTE:
\1 Estimates and projections for France include the four overseas departments of French Guiana, Guadeloupe,
Martinique, and Reunion in the national total. These areas are included in the same regions as France (Europe).
Saint Barthelemy and Saint Martin recently voted to become French overseas collectivities apart from Guadeloupe
and are included in the totals for North America.

Source: U.S. Census Bureau, International Data Base <http://www.census.gov/ipc/www/idb/> accessed June 2010.

For more information:
http://www.census.gov/ipc/www/idb/

Internet release date: 9/30/2011

				
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