In North America, over 50% of the population were farm families only a few decades ago; now, that figure is around 1-2% (citation needed), and about 80% of the population lives in cities.
Over 50% of the population were farm families only a few decades ago. This was in North America. That figure is around 1-2% (citation needed). This was now. About 80% of the population lives in cities. This is now.