Tigers are considered extinct in the following countries:
Cambodia: A small population might persist, but they are generally accepted as extinct.
Vietnam: Officially declared extinct in 2010.
Singapore: Extinct in the early 20th century.
Laos: Functionally extinct, with only a few individuals possibly remaining.
Turkey: The last wild tigers disappeared in the 1920s.
While these countries have lost their tiger populations, ongoing efforts exist to monitor and potentially reintroduce tigers in some areas.