CIA - The World Factbook: Tonga
- Features map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues.
- https://www.cia.gov/library/publications/the-world-factbook/geos/tn.html

Te Puna - Tonga
- Categorized and annotated web directory from the National Library of New Zealand.
- http://webdirectory.natlib.govt.nz/dir/en/pacific/regional/tonga/

SBS - The World Guide: Tonga
- Map, flag and detailed information on the country covering its geography, history, constitution and government, international relations, economy, communications, education and welfare.
- http://sbs.com.au/theworldnews/Worldguide/index.php3?country=198

Jane's Tonga Home Page
- Information about the people and history of the islands of Tongatapu and Vavau. Includes postcards and picture galleries.
- http://www.janeresture.com/tonga_home/

UK Foreign Office - Country Profiles: Tonga
- Overview of country's geography, history, politics, economy, international relations, travel and current affairs.
- http://www.fco.gov.uk/servlet/Front?pagename=OpenMarket/Xcelerate/ShowPage&c=Page&cid=1007029394365&a=KCountryProfile&aid=1019041602011

NationMaster - Tonga
- Profile includes information for various aspects of the country, with a special emphasis on statistics and rankings.
- http://www.nationmaster.com/country/tn-tonga

Encyclopedia of the Nations - Tonga
- Provides information about the country's geography, people, government, economy and tourism. From Thomson Gale.
- http://www.nationsencyclopedia.com/Asia-and-Oceania/Tonga.html

BBC News - Country Profile: Tonga
- Provides overview, key facts and events, timelines and leader profiles along with current news.
- http://news.bbc.co.uk/1/hi/world/asia-pacific/country_profiles/1300742.stm

Wikipedia - Tonga
- Hyperlinked encyclopedia article covers the country's history, government and politics, geography, economy, demographics, language and culture.
- http://en.wikipedia.org/wiki/Tonga

US Library of Congress - Portals to the World: Tonga
- Annotated directory of selected online resources.
- http://www.loc.gov/rr/international/asian/tonga/tonga.html

US Department of State - Tonga
- Country portal offers a map and links to Background Notes, the US embassy and the current ambassador, press releases, fact sheets, annual Human Rights Reports and other major reports including Industry Market Reports.
- http://www.state.gov/p/eap/ci/tn/

Tonganz.com
- Created by the Tonga/New Zealand Business Association (TNZBA), this site offers a comprehensive guide to businesses, accommodation and attractions in the Kingdom of Tonga. Find comprehensive photo gallery, local news, forum and contact details.
- http://www.tonganz.com/

Tonga on the Net
- Information on the islands and peoples of the Kingdom of Tonga.
- http://www.tongatapu.net.to/

Planet Tonga
- An internet portal with a directory, free email, forums, web site links, and online search.
- http://planet-tonga.com

Kingdom of Tonga
- Marcus Monnig's unofficial Tonga page.
- http://user.cs.tu-berlin.de/~minibbjd/tonga/index.html