More than 15,000 people sought council help for being homeless in Wales during 2011, up 11% on the previous year, figures obtained by BBC Wales show.
A rise in people asking for assistance was reported by 18 of the 22 councils.
Swansea had the highest number of homeless as a percentage of its population, with Flintshire the lowest.
Full article here: http://www.bbc.co.uk/news/uk-wales-17303892
Full dataset from the FOIA requests can be found below.
Originally published on BBC Wales Online and Broadcast on BBC Radio Wales on 9th March 2012.
My illustrated 2-way explaining the story on Radio Wales via Skype is below.