To illustrate the same point differently: if the USA had the same population density as the UK, there would be 2.5 billion people living there, instead of the c

To illustrate the same point differently: if the USA had the same population density as the UK, there would be 2.5 billion people living there, instead of the current 327 million. Math: 327 million US ppl * 274 UK ppl per sq km / 35 US ppl per sq km.