How vaccination rates are changing in each state: Up in 40, down in 10

Mississippi has seen the biggest increase in administered COVID-19 vaccines, with vaccination rates rising by 96 percent in the past week, according to The Washington Post‘s tracker of weekly change in vaccine administration.

Below are the 50 states and Washington, D.C., ranked by their weekly change in COVID-19 vaccines administered:

1. Mississippi: up 96 percent
2. Alaska: up 53 percent
3. Arizona: up 50 percent
4. Maine: up 46 percent
5. Alabama: up 42 percent
6. District of Columbia: up 41 percent
7. Arkansas: up 38 percent
8. Iowa: up 31 percent
9. South Dakota: up 29 percent
10. Hawaii: up 22 percent
11. South Carolina: up 22 percent
12. West Virginia: up 22 percent
13. Montana: up 21 percent
14. Michigan: up 21 percent
15. Tennessee: up 19 percent
16. Wisconsin: up 19 percent
17. Oklahoma: up 17 percent
18. Louisiana: up 15 percent
19. Vermont: up 15 percent
20. Kentucky: up 15 percent
21. Minnesota: up 12 percent
22. Florida: up 11 percent
23. Kansas: up 10 percent
24. Oregon: up 10 percent
25. Texas: up 10 percent
26. Washington: up 9 percent
27. Idaho: up 9 percent
28. Utah: up 9 percent
29. Maryland: up 8 percent
30. North Dakota: up 6 percent
31. Rhode Island: up 6 percent
32. Indiana: up 5 percent
33. Nevada: up 4 percent
34. Colorado: up 4 percent
35. New York: up 3 percent
36. North Carolina: up 3 percent
37. Nebraska: up 2 percent
38. Ohio: up 2 percent
39. Connecticut: up less than 1 percent
40. California: up less than 1 percent
41. Missouri: up less than 1 percent
42. Illinois: down 6 percent
43. Wyoming: down 6 percent
44. Delaware: down 9 percent
45. New Jersey: down 10 percent
46. Massachusetts: down 10 percent
47. Pennsylvania: down 11 percent 
48. New Hampshire: down 11 percent
49. Virginia: down 12 percent
50. New Mexico: down 12 percent
51. Georgia: down 27 percent