"**Since the year 2007, more than half of humanity has lived in cities** (more than 80 percent in all affluent countries), and unlike in the industrializing cities of the 19th and early 20th centuries, **jobs in modern urban areas are largely in services**." ([Location 280](https://readwise.io/to_kindle?action=open&asin=B08SGC3TD3&location=280)) --- **Tags** -- [[quotes]], [[demographics]], [[epidemoiology]], [[urbanisation]] **Source** -- [[202412030828 - B - How the World Really Works]]