2. Canada – 1 July 1867

3. Australia – Statute of Westminster adopted on 9 October 1942, effective independence with Australia Act on 3 March 1986

4. India – 15 August 1947

5. Pakistan – 14 August 1947

6. Ireland – 6 December 1922, officially became a republic on 18 April 1949

7. Sri Lanka – 4 February 1948

8. Ghana – 6 March 1957

9. Malaysia – 31 August 1957

10. Nigeria – 1 October 1960

11. Zimbabwe – 18 April 1980

12. South Africa – Statute of Westminster adopted on 11 December 1931, independence from legislative supremacy of the UK on 31 May 1961

13. Kenya – 12 December 1963

14. Jamaica – 6 August 1962

15. Singapore – Separated from Malaysia and became independent on 9 August 1965

This list is not exhaustive, but it covers some of the most notable countries that have gained independence from the United Kingdom. For a more detailed list, you can refer to the Wikipedia page on countries that have gained independence from the United Kingdom here.