Population density : 42 sq ft/person in Mong Kok in Hong Kong while it is 441 in Macau. The least population desity Indian state is Arunachal Pradesh : 13 persons / sq km. Population density of Delhi is 9294. Population density of India is 324 by 2001 cencus.

Goldman Sachs says by 2050, India will be the third largest economy in the world, behind China and USA.

UNESCO has reported that Kerala with a gender parity index of 1.01 leads other Indian states. Rajasthan and Bihar record 0.79 each.