Sweden has a problem and so have many other countries, Germany too.
These diacritics become problematic when setting type with a tight line-height. In Sweden tabloids often work around the problem by making custom adjustments to the diacritics for Å, Ä and Ö.
And here is a new font to help with that.
I had to design a poster for a client of mine in Germany and I ran into exactly that problem.