I don't know exact numbers but think about this if you think we will run out of food in 50 years.
50 years ago we had x number of people and corn yields were less than 100 bushels per acre. Population numbers have maybe doubled in the last 50 years. Corn and wheat production has doubled or more in the last 50 years with more acres and 170 bushel yields.
The National Champion corn yield hit 500 bushels per acre this year. It was 200 back 50 years ago.
They are growing crops in South America where crops have never been growen before.
With all the feed available more livestock is raised as well. Probably doubled in numbers from 50 years ago.
I don't think food will be a problem for 100's of years.
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