The population per square mile of the different countries is as follows:

Belgium....................451

England and Wales..........389

Holland....................291

Italy...................... .237

Japan.......................209

Germany...................193

Switzerland.................175

Ireland.....................169

Austro-Hungary..............158

France....................150

Denmark....................111

China......................110

Scotland......................109

Portugal....................108

Spain...................... 90

Greece..................... 73

Sweden and Norway......... 21

Turkey..................... 20

United States.............. 11

Russia...................... 10

Mexico..................... 9

Brazil....................... 3