The bar chart shows the percentage of the total world population in 4 countries in 1950 and 2002, and projections for 2050. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The bar chart illustrates the proportion of the population in four nations over ten decades from 1950 to 2050.

Overall

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, it can be observed that

while

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the number of people was the highest in 1950 among all countries, the gap was not significant, with a notable exception of India, where 2050 is the highest. Taking a closer look, China recorded the highest percentage in 1950 with slightly around 23 million, and it declined steadily over the years, reaching 15% in 2050. The United States and Japan have the lowest values, where they recorded 8 and 4% in 2050, respectively.

Moreover

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, the USA stayed consistent in later years,

while

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Japan shows a dramatic decrease, with 2% in 2050.

On the other hand

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, India was the only one that climbed the graph, outnumbering the other countries, starting with 15 until 18% by the end of the period.

This

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pattern shows that the rate of birth drops to a considerable range everywhere except India.