Passenger-km of rail transport by country, in billion/year:

Source: http://www.worldbank.org/transport/rail/rdb.htm

Distance travelled by rail per inhabitant in km/year:

Japan         1900
Switzerland   1730
Belarus       1300
France        1100
Ukraine       1000
Russia        1000
Denmark       1000
Austria       1000
Egypt          900
Netherlands    900
Germany        900
Sweden         800
Belgium        700
Italy          700
Czech Republic 700
Poland         700
Hungary        700
South Korea    600
Romania        600
Norway         566
Kazakhstan     500
United Kingdom 500
Spain          500
Portugal       400
India          400
China          300
Argentina      300
South Africa   200
Thailand       150
US             140
Pakistan       120
Iran            90
Myanmar         90
Turkey          90
Indonesia       70
Bangladesh      30

See also