Nearly two-thirds of people (65%) say that they have experienced a mental health problem. This rises to 7 in every 10 women, young adults aged 18-34 and people living alone.
Only a small minority of people (13%) were found to be living with high levels of positive mental health.
People over the age of 55 report experiencing better mental health than average.
People aged 55 and above are the most likely to take positive steps to help themselves deal better with everyday life - including spending time with friends and family, going for a walk, spending more time on interests, getting enough sleep, eating healthily and learning new things.
More than 4 in 10 people say they have experienced depression
Over a quarter of people say they have experienced panic attacks.
The most notable differences are associated with household income and economic activity - nearly 3 in 4 people living in the lowest household income bracket report having exprienced a mental health problem, compared to 6 in 10 of the highest household income bracket.
The great majority (85%) of people out of work have experienced a mental health problem compared to two thirds of people in work and just over half of people who have retired.