[Some time pass] Observations on Population & Population Density stats :-)

Today, I am getting damn bored in the office and hence wasted time doing R&D on Population and Population Density.

And here is some of the gyan I gained: (Thanks to Wikipedia J )

 

Total world population as of now: ~685 crores

• (2^nd) India’s contribution: 17.26%
• (1^st) China’s contribution: 19.52%
• (3^rd) USA’s contribution: 4.52 %        [See the huge difference from here J]
• (4^th) Indonesia’s contribution: 3.41%
• First 10 countries among the 223 countries in the list contribute to 58.65 % of the population

(China, India, US, Indonesia, Brazil, Pakistan, Bangladesh, Nigeria, Russia and Japan)

• The 80-20 rule(Pareto principle) applies here also:

• 80% of world’s population live in less than 20% of the world’s countries(33 countries out of 223 countries)

 

 

Population Density:

• Among the top ten populous countries, again India is the second densely populous country after Bangladesh J

• (9^th rank in population density ) Bangladesh: 1126 humans/km2
• (9) Bangladesh: 1126
• (32) India: 360
• (36) Japan: 337
• (58) Pakistan: 211
• (72) Nigeria: 167
• (78) China: 139
• (91) Indonesia: 121
• (178) US: 32
• (192) Brazil: 22
• (221) Russia: 8

 

• This to some extent explains poverty in our countries and wealth in US and Russia,,

 

References:

http://en.wikipedia.org/wiki/List_of_countries_by_population

http://en.wikipedia.org/wiki/List_of_countries_by_population_density

 

Cheers,
Santhosh