There was also per county data available, showing a correlation between the size of the decline and the ethnic makeup of the county: “The largest declines have been in counties where Uyghurs and other indigenous communities are concentrated. Across counties that are majority-indigenous the birth-rate fell, on average, by 43.7 percent in a single year between 2017 and 2018. The birth-rate in counties with a 90 percent or greater indigenous population declined by 56.5 percent, on average, in that same year.” https://www.aspi.org.au/report/family-deplanning-birthrates-xinjiang/
There was also per county data available, showing a correlation between the size of the decline and the ethnic makeup of the county: “The largest declines have been in counties where Uyghurs and other indigenous communities are concentrated. Across counties that are majority-indigenous the birth-rate fell, on average, by 43.7 percent in a single year between 2017 and 2018. The birth-rate in counties with a 90 percent or greater indigenous population declined by 56.5 percent, on average, in that same year.” https://www.aspi.org.au/report/family-deplanning-birthrates-xinjiang/