1. Niger State 76,363KM²

2. Borno State 70,898KM²

3. Taraba State 54,473KM²

4. Kaduna State 46,053KM²

5. Bauchi State 45,837KM²

6. Yobe State 45,502KM²

7. Zamfara State 39,762KM²

8. Adamawa State 36,917KM²

9. Kwara State 36,825KM²

10. Kebbi State 36,800KM²

11. Benue State 34,059KM²

12. Plateau State 30,913KM²

13. Kogi State 29,833KM²

14. Oyo State 28,454KM²

15. Nasarawa State 27,117KM²

16. Sokoto State 25,973KM²

17. Katsina State 24,192KM²

18. Jigawa State 23,154KM²

19. Cross River State 20,156KM²

20. Kano State 20,131KM²

21. Gombe State 18,768KM²

22. Edo State 17,802KM²

23. Delta State 17,698KM²

24. Ogun State 16,762KM²

25. Ondo State 15,500KM²

26. Rivers State 11,077KM²

27. Bayelsa State 10,773KM²

28. Osun State 9,251KM²

29. Federal Capital Territory 7,315KM²

30. Enugu State 7,161KM²

31. Akwa Ibom State 7,081KM²

32. Ekiti State 6,353KM²

33. Abia State 6,320KM²

34. Ebonyi State 5,670KM²

35. Imo State 5,530KM²

36. Anambra State 4,844KM²

37. Lagos State 3,345KM²

*Anambra + Enugu + Abia + Imo + Ebonyi = 29,525KM²*

*Kogi = 29,833KM²*

*Ogun + Oyo + Osun + Ondo + Ekiti = 76,320KM²*

*Lagos = 3,345KM²*

*Niger alone = 76,363KM²*

*Niger State = Entire Southwest States - Lagos*

*The entire Southeast

is a little less than Kogi State only.