On the 3rd floor of the Morisset library is the Government, Statistics and Geography (GSG) library. You can get help with statistics from the Data Librarian. Below is a link to the subject guide for Population and Demography Statistics.
The World Religion Database (WRD) contains detailed statistics on religious affiliation for every country of the world. It provides among other things, source material (including census and surveys) for the study of international religious demography.
The International Religious Freedom report is submitted to Congress annually by the Department of State in compliance with Section 102(b) of the International Religious Freedom Act (IRFA) of 1998. This report supplements the most recent Human Rights Reports by providing additional detailed information with respect to matters involving international religious freedom. It includes individual country chapters on the status of religious freedom worldwide. Reports from 2001-1009.