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| Less More |
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| World Developed Developed |
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| (x1,000,000) (x1,000,000) (x1,000,000) |
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| 1950 2,501 1,644 (68%) 857 (34%) |
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| 1970 3,610 2,526 (70%) 1,084 (30%) |
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| 1985 4,845 3,671 (76%) 1,174 (24%) |
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| 2003
6,314 5,112 (81%) 1,202 (19%) |
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| 2010* 6,903 5,687 (82%) 1,217 (18%) |
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| 2025* 8,082 6,842 (84%) 1,240 (16%) |
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| *United Nations Medium
Projection |
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