![Simon Scarr on Twitter: "Experts use a variety of methods to count crowds. Static crowds can be estimated by working out a density of people. This is known as Jacobs's method. @ReutersGraphics Simon Scarr on Twitter: "Experts use a variety of methods to count crowds. Static crowds can be estimated by working out a density of people. This is known as Jacobs's method. @ReutersGraphics](https://pbs.twimg.com/media/D9keE8bUYAAhaAA.jpg:large)
Simon Scarr on Twitter: "Experts use a variety of methods to count crowds. Static crowds can be estimated by working out a density of people. This is known as Jacobs's method. @ReutersGraphics
South Australia Police - The 2 square metre rule helps to determine the maximum number of people who can be on a premises. To calculate how many people can be on a
![Nathan Ruser on Twitter: "The area filled by protesters is a GENEROUS 32k square metres. The 476k figure would mean 15 people (!!) per square metre. That is impossible. Physically impossible. The Nathan Ruser on Twitter: "The area filled by protesters is a GENEROUS 32k square metres. The 476k figure would mean 15 people (!!) per square metre. That is impossible. Physically impossible. The](https://pbs.twimg.com/media/ECLYUZrUYAQ5Ybo.png)
Nathan Ruser on Twitter: "The area filled by protesters is a GENEROUS 32k square metres. The 476k figure would mean 15 people (!!) per square metre. That is impossible. Physically impossible. The
SA Health - GATHERING FROM 1 JUNE ▫ Gatherings (such as entertaining at your house or holding a birthday party in a public park) are limited to 20 people (indoor or outdoor).
![Picture from [30]: example of 5 standing people (adults) per square... | Download Scientific Diagram Picture from [30]: example of 5 standing people (adults) per square... | Download Scientific Diagram](https://www.researchgate.net/publication/317594832/figure/fig14/AS:613941923291151@1523386569291/Picture-from-30-example-of-5-standing-people-adults-per-square-meter-red-box-top.png)