NATO members

1. Republic of Albania - 2009
2. Kingdom of Belgium - 1949, founding country
3. Republic of Bulgaria - 2004
4. Canada - 1949, Founding Country
5. Republic of Croatia - 2009
6. Czech Republic - 1999
7. Kingdom of Denmark - 1949, Founding Country
8. Republic of Estonia - 2004
9. French Republic - 1949, Founding Country
10. Germany - 1955
11. Hellenic Republic -1952
12. Republic of Hungary -1999
13. Iceland -1949, founding country
14. Italian Republic - 1949, Founding Country
15. Republic of Latvia - 2004
16. Republic of Lithuania - 2004
17. Grand Duchy of Luxembourg - 1949, founding country
18. Republic of Montenegro - 2017
19. Kingdom of the Netherlands - 1949, founding country
20. Kingdom of Norway - 1949, Founding Country
21. Republic of Poland - 1999
22. Portuguese Republic - 1949, Founding Country
23. Romania - 2004
24. Slovak Republic - 2004
25. Republic of Slovenia - 2004
26. Kingdom of Spain - 1982
27. Republic of Turkey - 1952
28. United Kingdom of Great Britain and Northern Ireland - 1949, Founding Country
29. USA - 1949, Founding Country

Source link:

https://ukraine-nato.mfa.gov.ua/ua/about-nato/members