English
Floridization
From Florida + -ization (suffix denoting the act, process, or result of doing something).
The story
Sense 2 (‘phenomenon of the percentage of seniors in a specific region progressively increasing as the population ages’) refers to the sizable number of retirees who settle in the US state.
Today it means
noun The process of coming to resemble the US state of Florida in some respect.
Language periods are conventional ranges, not dates for this word.
Etymograph / Floridization