POPULATION DETAILS

 

400 millionSl no	Description	World	India	China	U S A
1	Population in 1900	1.65 billion	280.7 million	400 million	76.2 million
2	Population in 2025	8.2 billion	147.77 crore	1.425 billion	342 millionli
3	Population in 2012	7.06 billion
4	Population 1804	1 billion
5	Life span in 1900	32 years	32 years	24 years	47 years
6	Life span in 2023	73 years	71 years	77.95 years	78.4 years
7	Probable 2050 life span	78.1 years	80 years	83.75 years	80.4 years

Note: 1 million = 10 lacks amd 1 crore = 10 millions.

EARTH, SUN, MILKYWAY.

 Earth is one of 3.2 trillion planets in our galaxy. The Sun is one of 200 billion stars in the Milkyway galaxy, which is just one of 2 trillion galaxies in the observable universe.