1. We already start marrying late. We should aim to lower the age of marriage closer to Chazal’s recommendation to be married by 18.
2. A thousand years ago people lived into their 60s, on average.
3. In Eastern Europe before WWII, the average frum family had about 10 or more children.
4. Chas V’Shalom to broach the idea of population control in order to reduce high school sizes or town size, R”L.