Country Wise Info

World Encyclopedia (Very Helpful)

http://en.wikipedia.org/wiki/Category:Lists_of_countries

Religion

http://en.wikipedia.org/wiki/List_of_state-established_religions

http://en.wikipedia.org/wiki/Major_religious_groups

http://en.wikipedia.org/wiki/List_of_religions_and_spiritual_traditions

Population

http://en.wikipedia.org/wiki/List_of_countries_by_population

http://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_population_density

Military strength

http://www.globalfirepower.com/

http://en.wikipedia.org/wiki/List_of_countries_by_level_of_military_equipment

http://en.wikipedia.org/wiki/Category:Military_by_country

http://en.wikipedia.org/wiki/Category:Military_lists

http://en.wikipedia.org/wiki/List_of_countries_by_size_of_armed_forces

http://en.wikipedia.org/wiki/List_of_countries_by_military_expenditures

Countries without armed forces

http://en.wikipedia.org/wiki/List_of_countries_without_an_army

Languages

http://en.wikipedia.org/wiki/List_of_languages_by_number_of_native_speakers

http://en.wikipedia.org/wiki/Category:Languages_by_country

http://en.wikipedia.org/wiki/List_of_official_languages

Capital Cities

http://en.wikipedia.org/wiki/List_of_national_capitals

http://geography.about.com/od/countryinformation/a/capitals.htm

Currency

http://www.knowledgebase-script.com/demo/article-660.html

http://en.wikipedia.org/wiki/List_of_circulating_currencies

Airlines

http://www.kls2.com/airlines http://en.wikipedia.org/wiki/List_of_airlines

Airports

http://www.world-airport-codes.com/

http://www.mapsofworld.com/international-airports/