TABLE II Birth and Death Rates, 1901–50*

Decade	Registered			Estimated by reverse survival method
	Birth rate	Death rate	Birth rate		Death rate
1901–10	37		48·1		42·6
1911–20	37	34	49·2		48·6
1921–30	33	26	46·4		36·3
1931–40	34	23	45·2		31·2
1941–50	28	20	39·9		27·4

*Taken from S.Chandrasekhar, Population and Planned Parenthood in lndia, p. 8.