As online security is becoming more and more vital, the strength and of passwords become more important.

Security service company SplashData has unveiled its annual Worst Passwords of the Year study, which culled over five million leaked passwords to discover the most vulnerable ones.

Check out the top 20 worst passwords of last year below and make sure yours isn't on that list, head here for the full list.

Join our mailing list here.

1. 123456

2. 123456789

3. qwerty

4. password

5. 1234567

6. 12345678

7. 12345

8. iloveyou

9. 111111

10.123123

11. abc123

12. qwerty123

13. 1q2w3e4r

14. admin

15. qwertyuiop

16. 654321

17. 555555

18. lovely

19. 7777777

20. welcome