Where can mentally disabled people get jobs?

If you are in the USA and you are covered by Social Security you should first check in with the "Ticket To Work" program. The TTW program is all about finding jobs for disabled people. In addition, check with AbilityOne. AbilityOne is the largest provider of jobs in the USA for severly disabled. If you are in the UK, check with Remploy. It is a quite similar to AbilityOne.

For more details check the article listed below. There are lots of ideas for how people with all kinds of disabilities can find jobs.