What do these 2025 state-by-state numbers for US states represent?

What do these 2025 state-by-state numbers for US states represent?

Here's a list of US states, ordered by the number next to each state's name.

1 - Florida 45,696
2 - California 45,670
3 - New York 18,862
4 - Arizona 15,454
5 - Pennsylvania 14,127
6 - North Carolina 14,029
7 - Illinois 13,808
8 - Virginia 12,507
9 - Georgia 11,869

Do you know what the numbers mean?

Hint: They refer to something that happened in each state in 2025.

Please make your best guess in an opinion.

The correct answer will be given in a few days, Thursday.

Updates
2 d
The numbers for each state show the number of senior citizens (people over 65) that moved out of the state in 2025.
Interestingly, they don't tell the complete picture.
In Florida, for example, about the same number moved into the state, giving Florida a net gain of about 800 seniors.
In California, only a small number moved into the state, meaning about 45 thousand seniors left California in 2025.
What do these 2025 state-by-state numbers for US states represent?
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