Children living on Scotland's islands have the best quality of life among youngsters growing up anywhere in Britain, according to a report.

Halifax, which carried out the research, named the Orkney Islands, the Shetland Islands and the Western Isles as the places with the best quality of life for children.

It marks the second year in a row that these areas have claimed the top three spots in Halifax's annual Children's Quality of Life study.

The study looked at employment rates, average house sizes, school performance levels, population density and personal wellbeing to make the findings.

It found the Western Isles has the lowest population density in Britain, with just nine people per square kilometre - compared with the national average of 276.

The Shetland Islands and Orkney Islands also have a low population density, with 16 and 22 people per square kilometre respectively. The report said children can walk around in "relative freedom", with an average of 71 vehicles per square kilometre in the Western Isles, 142 in the Orkneys and 145 in the Shetlands, compared with an average of 9587 across Britain.

And Office for National Statistics (ONS) data on personal well-being suggests adults in the Orkneys and Western Isles are among the happiest, most satisfied and least anxious in Britain.

However, just 52% to 56% of households in the Orkney Islands, Shetland Islands and Western Isles have access to fast broadband - significantly below the national average of 86%.

Martin Ellis, an economist at Halifax, said: "For the second year in succession the Orkney Islands, Shetlands and Western Isles occupy the top three spots in the latest annual Halifax Children's Quality of Life study.

"Children growing up in these areas benefit from low class sizes in both primary and secondary schools, with some of the highest spending per pupil and a high proportion gaining very good SCQF results.

"Children in these areas are supported by a high proportion of adults in full-time employment and many of them rate themselves highly in a recent personal well-being survey. On the flipside, provision of high-speed broadband is amongst the lowest in Britain."