A second family of flow data are commuting flows; the census provides information here which is not collected at a national scale (and with detailed geography) by any other survey. The census includes questions about where you work, and how you get to work.
Many people are now working from home, and poland rcs data we will see that in the journey to work data. They will not be easy to interpret, but will offer vital insight into how people have adjusted to this process. Which occupations have more homeworkers? Are there biases in who is or is not able to work from home? For people who still travel to a workplace – have there been changes in the modes of transport that they use?
There are interactions with the migration data of course: some people may have moved house as well, with the ability to work from home offering them more flexibility in where they live. How common has this been over the past year? Is it more common in some places than others? Is it more common in some occupations that others?
The flow data can be confusing for people to work with – they take the form of large, very sparse matrices, and can have different scale geographies where flows cross borders, for example between Scotland and England.