The bar chart shows the percentage of the total world population in 4 countries in 1950 and 2003, and projections for 2050.

The bar chart compares the total proportion of the world

population

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in India ,

China

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, the USA and Japan which were measured in percentage over a 52-year time period from 1950 to 2000 , and it

also

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predicts the

population

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rate

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of 2050 too . In general , the

population

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rate

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of

China

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had decreased considerably after 52 years , and it had predicted that ; will continue to fall in future and the same trend can be seen for Japan too .

Whereas

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, India had risen

population

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throughout the year and it would increase in 2050 . To be specific ,

China

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had the highest

population

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in 1950 compared to the other three countries , which was around 24% .

However

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, after 52 years , the

population

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rate

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of

China

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had noticed a moderate decrease , accounted 20% , and it had forecasted that it will continue to fall in 2050 and reach a minority , and it was similar for Japan , which dropped 4% to 3% in 2002 and it will again decline to a very small number in 2050 . Meanwhile , India had a 15% of

population

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rate

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in 1950 , and in 2002

this

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amount of

population

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had risen to approximately 17% and it had projected that it will again have a 4% increase in 2050 .

By contrast

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, the USA was the third most populated nation out of 4 nations and it accounted for about 4% in the initial year in 2002 it climbed slightly to 5% and it has been anticipated it will be stable in 2050