Overall country rank, user numbers, and gender break-down of Facebook users (as of Nov 2007)
42,966,780 total users
15,521,660 (36.12%) male; 18,118,600 (42%) female; 9,326,520 (21.71%) unspecified.
Country
Rank
Total
Male
Female
Unspec.
United States
1
18,071,700
40.11%
45.98%
13.90%
Turkey
5
1,633,760
30.07%
19.86%
50.07%
South Africa
9
603,960
36.85%
40.96%
22.18%
Egypt
12
396,200
37.12%
27.30%
35.5%
India
14
333,560
33.88%
26.83%
39.30%