On October 31, world will witness the birth of the worlds seventh billionth baby, though the event is being celebrated, Indian union health minister Ghulam Nabi Azad Sunday said, Its not a matter of joy but a great worry. We shouldnt be celebrating the birth of the seventh billionth child. India has 2.4% of the global landmass and around 18% of the global population. For us, a matter of joy will be when our population stabilizes. Azad said. Azad said that during this decade (2001-2011), India added 18 crore people to its population as compared to 20 crore between 1991 and 2001. Indias total fertility rate (TFR) - the average number of children that would be born to a woman over her lifetime - is 2.6. Online