It shows Gävleborg county to the north to be the most overloaded, followed by Västerbotten on the far northern coast, and then the central county of Västmanland.
The list also ranks hospitals by the proportion of patients that they have had to send to a different department due to a lack of space, with the island of Gotland topping that list.
"This is a patient safety issue and a health and safety issue," says Göran Stiernstedt at the association of local authorities.
In January all county councils reported that they had more patients than they could accommodate.
"The politicians need to see the reality. It's not right that we are overloaded all the time," says Mariette Björk from the nurses' union Vårdförbundet.