Fritzon served for a year as Sweden's migration minister and unlike candidates in some smaller parties she doesn't need to wonder whether she'll get a place at the parliament. The Social Democrats have always got most votes in Sweden, although less in EU elections.
She says her party's priorities for the EU parliament are opposing right-wing extremism, politics that puts jobs in the centre and working against climate change.
But what makes her party different from others who also list these as priorities? Listen to the full interview to find out.
This is part eight in our interview-series with the top candidates in the European Parliament elections.