From US EPA
[quote]In 1935, the number of farms in the United States peaked at 6.8 million as the population edged over 127 million citizens. As the number of farmers has declined, the demand for agricultural products has increased. This increased demand has been met (and exceeded) with the aid of large-scale mechanization (the use of large, productive pieces of farm equipment), improved crop varieties, commercial fertilizers, and pesticides. The need for human labor has also declined as evidenced by the increase in agricultural labor efficiency over the past century – from 27.5 acres/worker in 1890 to 740 acres/worker in 1990 (Illinois data; Hunt, 2001).[/quote]
Do you understand what that says? We need 1 for every 27 we used to need. That growth continues.
What are the other 26 that used to farm going to do?
It’s the same in many occupations, yes, including Doctors, machines now read x-rays, tests and MRIs.
Police? Even the number of police per citizen is decreasing due to technology advances.
While we may need 1000 more police officers in San Diego, the population in San Diego has increased by 700,000. And in near future, before we add another 1000 officers, it’ll increase by another 1,000,000.