The MAS report, titled Indebted Lives, identified the UK's five most over-indebted areas as: Hull, Nottingham, Manchester, Knowsley and Liverpool. Around two-fifths of adults in all these areas are struggling with debt.
At the other end of the scale, Richmond upon Thames in south London has just 1.2% of its population struggling with debt, according to the report.
More top news
A paranoid schizophrenic with ovarian cancer will undergo a hysterectomy after a judge ruled she could not decide on treatment herself.
Thirty-one people have been injured, nine seriously, after an Etihad plane travelling to Indonesia hit "severe and unexpected turbulence."
Prosecutors described it as one of the "most serious" cases of animal neglect they had ever dealt with.