1921 Census of England and Wales, General Report with Appendices, Table 32 : " Countries arranged in order of 1921 Sex Proportions, showing also 1911 comparisons".

  Proportion of
Females
to 1,000 Males.
  Proportion of
Females
to 1,000 Males.
1921. 1911. 1921. 1911.
Dominion of Canada 940 886 Denmark 1,053 1,061
Indian Empire 945 954 Hungary (a) 1,062 1,007
New Zealand 956 896 Spain (a) 1,062 1,056
Union of South Africa 959 946 Switzerland (a) 1,074 1,034
United States of America 961 943 Czecho Slovakia 1,075 1,056
Commonwealth of Australia 967 926 Scotland 1,080 1,062
Bulgaria (a) 1,002 961 Austria (a) 1,089 1,023
The Netherlands (b) 1,013 1,021 England and Wales 1,096 1,068
Belgium (a) 1,033 1,018 Germany (c) 1,099 1,026
Sweden (a) 1,037 1,046 Portugal (a) 1,113 1,107
Norway (a) 1,053 1,070      

(a) Censuses of 1910. and 1920. (b) Censuses of 1909 and 1920. (c) Censuses of 1910 and 1919.