| Year |
North America |
South America |
Europe |
Rest of World |
World Total |
Source |
1921 |
2.97 |
0.07 |
7.42 |
1.14 |
11.6 |
Meyers Handlexicon, Germany |
1925 |
4 |
0.1 |
10 |
1.53 |
15.63 |
World Almanac & Book of
Facts, 1925 |
1928 |
4.4 |
0.3 |
9.5 |
1.1 |
15.3 |
World Almanac & Book of
Facts, 1928, pg. 288 |
1930 |
4 |
0.2 |
10 |
1.4 |
15.6 |
National Council of Churches,
pg. 752 World Alm |
1933 |
4.38 |
0.29 |
9.49 |
1.15 |
15.31 |
World Almanac & Book of
Facts, 1934 |
1933 |
4.05 |
0.03 |
8.66 |
1.26 |
14 |
Daily Express, March 24, 1933,
front page |
1938 |
4.56 |
0.03 |
9.74 |
1.42 |
15.75 |
World Almanac, 1941, pg. 510 |
1939 |
4 |
0.1 |
10 |
1.53 |
15.63 |
World Almanac, Book of Facts,
1939, pg. 727 |
1939 |
4.52 |
0.03 |
9.65 |
1.41 |
15.6 |
American Jewish Committee,
Bureau of the Synagogue Council |
1940 |
4.43 |
0.03 |
9.46 |
1.38 |
15.29 |
World Almanac, 1940, pg. 129 |
1941 |
4.4 |
0.03 |
9.4 |
1.37 |
15.2 |
World Almanac & Book of
Facts,1942 |
1941 |
4.97 |
0.23 |
9.37 |
1.18 |
15.75 |
World Almanac, Book of Facts,
1941, pg. 510 |
1944 |
4.95 |
0.23 |
9.34 |
1.18 |
15.7 |
World Almanac, Book of Facts,
1944, pg. 495 |
1945 |
4.95 |
0.23 |
9.33 |
1.18 |
15.69 |
World Almanac, Book of Facts,
1945, pg. 494 |
1946 |
4.95 |
0.23 |
9.33 |
1.18 |
15.69 |
World Almanac, Book of Facts,
1946, pg. 488 |
1947 |
4.95 |
0.23 |
9.33 |
1.18 |
15.69 |
World Almanac, Book of Facts,
1947, pg. 219 |
1948 |
4.95 |
0.23 |
9.34 |
1.18 |
15.7 |
World Almanac, Book of Facts,
1948, pg. 249 |
1948 |
4.97 |
0.23 |
9.37 |
1.18 |
15.75 |
World Almanac, 1949, pg. 289 |
1949 |
5.2 |
0.6 |
3.8 |
1.8 |
11.4 |
World Almanac, Book of Facts,
1949, pg. 204 |
1950 |
5.2 |
0.6 |
3.8 |
1.8 |
11.4 |
World Almanac, Book of Facts,
1950, pg. 473 |
1955 |
5.22 |
0.64 |
3.42 |
2.35 |
11.63 |
World Almanac & Book of
Facts,1956 |
1963 |
5.8 |
0.6 |
3.8 |
2.7 |
12.9 |
World Almanac & Book of
Facts, 1964 |
1975 |
6.7 |
0.8 |
3.5 |
3.4 |
14.4 |
Encyclopedia Britannica, 1976
Book of the Year |
1983 |
7.3 |
0.7 |
4.5 |
4.1 |
16.8 |
1984 World Almanac, US News
& World Report, pg 351 |
1988 |
8.12 |
1 |
1.45 |
7.6 |
18.17 |
World Almanac & Book of
Facts, 1989 |
1989 |
7.1 |
1 |
1.45 |
7.81 |
17.36 |
World Almanac & Book of
Facts, 1990 |
1990 |
6.9 |
1 |
1.46 |
8.04 |
17.4 |
World Almanac & Book of
Facts, 1991 |
1994 |
5.9 |
0.5 |
1.8 |
5.3 |
13.5 |
World
Almanac & Book of Facts, 1995 |
1996 |
5.58 |
1.14 |
2.74 |
4.64 |
14.1 |
World
Almanac, 1996, pg. 646 |
1997 |
5.9 |
1.2 |
2.9 |
4.9 |
14.9 |
World
Almanac & Book of Facts, 1999, pg. 687 |
| 2000 |
5.23 |
1.06 |
2.57 |
4.34 |
13.2 |
World
Almanac & Book of Facts, 2001 |
