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The agency Statistics Sweden has figures on how Swedes live.
According to Statistics Sweden there were roughly 4.7 million apartments in Sweden in 2013.

Of the apartments, 2 million apartments were in single dwelling houses , almost 2.4 million in multi-dwelling buildings, slightly more than 230,000 are apartments in special housing and 80,000 in other buildings.

The 230,000 special housing apartments were divided into residences for the elderly, people with a functional impairment and student housing.

You can read about
Apartments with right of tenancy
Tenant-ownership
Cooperative tenancy
Ownership