Gaya

With 43,91,418 people at the 2011 Census, Gaya was the 42nd most populous of India's 640 districts and the 5th most populous of Bihar's 38. That is 4.2% of everyone living in Bihar at the time.

Literacy stood at 63.67%, 9.3 points below the national 72.98% — 1.9 points above the Bihar average. That ranked it 510th of 640 districts nationally. The gap between male and female literacy was 20.0 points, 3.7 points above the national gap of 16.3.

The sex ratio was 937 women per 1,000 men (19 above the Bihar figure of 918). Among children aged 0–6 the ratio was 960, 42 above the national 918.

37.9% of the population were recorded as workers, 4.5 points above the Bihar rate. Female work participation was 27.7%, 8.6 points above the state figure.

Gaya contained 6 towns — 4 with a municipal body of some kind, and 2 classed as census towns, meaning they met the census's urban test without having one. The largest was Gaya (M Corp.), with 4,68,614 people. That put 13.2% of the district in urban areas, 2.0 points above the Bihar share of 11.3%.