Heading into the 19th century, about 70-80% of all jobs in the industrial world were in agriculture.
Most people were farmers.
By 1870, more than half of all men owned or performed labor on farms.
Today less than 1% of the U.S. population works in agriculture.
Innovation and technology made farming more efficient, so people moved on to factory jobs and eventually white-collar work.
There are plenty of jobs over the years …