It sounds like these statistics are utterly useless for national comparisons

> About half of the surveyed countries also cover people living in non-conventional dwellings and people living temporarily with family and friends due to lack of housing,

> In Sweden the official figure given by the National Board of Health and Welfare includes lots of people who don’t have a permanent home but aren’t living in shelters or on the streets. For instance, Sweden includes people set to be released from jail within three months and have nowhere to go