The provisional results of the 2011 Census of India have just been released, and they show that the population has now reached 1.21 billion. BBC News notes that:
More people now live in India than in the United States, Indonesia, Brazil, Pakistan and Bangladesh combined.
India launched the 2011 census last year. The exercise costs in the region of 22bn rupees ($490m; £300m). Some 2.7 million officials visited households in about 7,000 towns and 600,000 villages, classifying the population according to gender, religion, education and occupation.