Selected data from Freedom House’s  annual survey of political rights and civil liberties.

Topix.com’s newsfeed on Sikhism

A portal for news related to Sikhs in the US. Affiliation not stated

Huffington Post’s newsfeed on Sikhism

A platform for Sikh news and for Sikh youth to discuss faith issues

Drop In Article by the Census of India in 2011.

Enumeration of religious bodies in the U.S. by county. Update of the 1952, 1971, 1980, 1990 and 2000 studies.

Report on religion in Western and Central Europe.