Poputation growth and projections

The graph shows data about the number of inhabitants in China , India , Europe and the USA.

Overall, the number of inhabitants of 4 countries increase. But , the mount of inhabitants in China and India have been higher than those of Europe and USA

Looking at the details , the number of inhabitants of China and India has risen considerably since 1950 and at the time there were still big increase at over 1,2 millions until the year 2030 . When the number of inhabitants in China will fall gradually until the year 2050 . Besides , the number of inhabitants will increase at 1,5 millions until the year 2050.

On the other hand , the number of inhabitants of Europe and USA has risen gradually since 1950 . When there were still slowing increase , the number of inhabitants of Europe was at under 750 millions and the number of inhabitants of USA was at under 500 millions.