Due to Japan's "metabo law", adults are required to get their waistlines measured every year and those who exceed the recommended limit have to get treatment.

https://mic.com/articles/84521/japan-has-cut-obesity-to-3-5-...

I don't necessarily agree with that policy, however it does appear to be effective in cutting healthcare causes. In the US a large fraction of our healthcare expenses are due to chronic conditions related to obesity.