In Poland, according to Raciborski, the duration of sexual activity is in Jewesses 23 years, but in women of Slavonic blood 31 years.

In France, according to Courty and Puech, the usual duration of the sexual life is from 28 to 30 years.

According to Puech, among 10 women menstrual activity lasted:

33 years in2 women.
35 years in1 woman.
36 years in2 women.
39 years in2 women.
43 years in2 women.
44½ years in1 woman.

Brierre de Boismont gives the following particulars of the duration of menstrual activity in 178 Frenchwomen:

5 years in1 woman.
6 years in1 woman.
8 years in1 woman.
11 years in1 woman.
16 years in4 women.
17 years in4 women.
18 years in1 woman.
19 years in3 women.
20 years in3 women.
21 years in4 women.
22 years in3 women.
23 years in12 women.
24 years in8 women.
25 years in8 women.
26 years in11 women.
27 years in7 women.
28 years in6 women.
29 years in7 women.
30 years in13 women.
31 years in13 women.
32 years in9 women.
33 years in9 women.
34 years in7 women.
35 years in5 women.
36 years in10 women.
37 years in6 women.
38 years in5 women.
39 years in2 women.
40 years in7 women.
41 years in1 woman.
42 years in3 women.
44 years in2 women.
48 years in1 woman.

For England, Tilt gives the mean duration of menstrual activity, as observed in 500 women, as 31.21 years; it varies between 11 and 47 years; there are more cases with a period of 34 years than with any other integral number of years. Tilt found the duration to be:

11 years in1 woman.
13 years in1 woman.
15 years in3 women.
16 years in1 woman.
17 years in2 women.
18 years in4 women.
19 years in1 woman.
20 years in3 women.
21 years in6 women.
22 years in11 women.
23 years in11 women.
24 years in10 women.
25 years in22 women.
26 years in11 women.
27 years in25 women.
28 years in29 women.
29 years in35 women.
30 years in36 women.
31 years in33 women.
32 years in38 women.
33 years in35 women.
34 years in49 women.
35 years in33 women.
36 years in26 women.
37 years in16 women.
38 years in15 women.
39 years in15 women.
40 years in6 women.
41 years in4 women.
42 years in7 women.
43 years in5 women.
44 years in3 women.
45 years in1 woman.
46 years in1 woman.
47 years in3 women.

For London the average figure is 34 years; for Paris, 30 years; for Vienna, 29 years; and for Berlin, 34 years.

From the data of various observers obtained from diverse nationalities, the following table has been compiled, exhibiting the mean duration of the sexual life: