Summary: this document article describes the per-country datasets on HDX derived from the UNHCR Population Statistics datasets API, via the HXL Proxy.
Source data overview
...
Each of these is downloadable as a (large) HXL-tagged dataset, including all available countries and years. Example: http://popstats.unhcr.org/en/persons_of_concern.hxl (103,000+ rows). UNHCR has approved this method of publishing their data.
HDX datasets
On HDX , publish shares these datasets as live data from the UNHCR popstats site, filtered through the HXL Proxy to produce two views for each country:
...