Note that the figures below only includes the native female labour force, not the foreign labour in Germany.

Year Total Agriculture Industry
1925 (1) 11.478 4.970 2.988
1933 (1) 11.479 4.649 2.758
1939 (1) 12.701 4.880 3.310
1940 (2) 14.386 5.689 3.650
1941 (2) 14.167 5.369 3.677
1942 (2) 14.437 5.673 3.537
1943 (2) 14.806 5.665 3.740
1944 (3) 14.897 5.756 3.636
(in thousands)

Proportion of women in the total native civilian workforce

Year Germany Britain USA
1940 41,4 29,8 25,8
1941 42,6 32,2 26,6
1942 46,0 36,1 (4) 28,8
1943 48,8 37,7 (4) 34,2
1944 51,0 37,9 (4) 35,2

Footnotes

1. Annual average
2. For May
3. For September
4. Includes women working part-time (2 part-time equals 1 full-time)

Sources used

Richard Overy - The Penguin Historical Atlas of the Third Reich