Year	Legitimate	Illegitimate
31 Dec 1911	17,780	746
31 Dec 1912	16,784	722
31 Dec 1913	16,870	764
31 Dec 1914	17,164	728
31 Dec 1915	15,817	693
31 Dec 1916	14,999	688
31 Dec 1917	13,451	639
31 Dec 1918	13,587	765
31 Dec 1919	13,476	773
31 Dec 1920	17,932	846
31 Dec 1922	15,035	661
31 Dec 1923	14,597	570
31 Dec 1924	14,464	553
31 Dec 1925	14,289	566
31 Dec 1926	13,709	539
31 Dec 1927	12,874	543
31 Dec 1928	12,972	559
31 Dec 1929	12,300	519
31 Dec 1930	12,442	527
31 Dec 1931	12,189	478
31 Dec 1932	11,766	422
31 Dec 1933	11,041	414
31 Dec 1934	11,063	429
31 Dec 1935	11,118	372
31 Dec 1936	11,216	419
31 Dec 1937	11,400	391
31 Dec 1938	11,684	407
31 Dec 1939	11,347	435
31 Dec 1940	11,404	458
31 Dec 1941	11,431	505
31 Dec 1942	12,548	558
31 Dec 1943	13,532	714
31 Dec 1944	15,128	990
31 Dec 1945	12,681	1,083
31 Dec 1946	14,605	910
31 Dec 1947	15,959	781
31 Dec 1948	14,107	675
31 Dec 1949	13,360	637
31 Dec 1950	12,544	569
31 Dec 1951	12,068	499
31 Dec 1952	11,993	510
31 Dec 1953	12,301	506
31 Dec 1954	12,078	513
31 Dec 1955	11,946	500
31 Dec 1956	12,674	485
31 Dec 1957	13,037	531
31 Dec 1963	14,716	787
31 Dec 1964	15,026	878
31 Dec 1965	14,941	974
31 Dec 1966	14,801	1,013
31 Dec 1967	14,113	992
31 Dec 1968	13,668	1,097
31 Dec 1969	13,304	1,055
31 Dec 1970	13,006	967
31 Dec 1971	13,259	1,072
31 Dec 1972	12,132	968
31 Dec 1973	11,312	866

Date:	Source:
1911 - 1920	Registrar General, Annual Report (HM Stationery Office) ,
1922 - 1973	Registrar General, Statistical Review (HM Stationery Office) ,

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