The red-green win revives a tax on bank profits, and who pays is less obvious than either side admits.
On election night, a few hours after the polling stations closed, my phone buzzed with a message from a friend who owns a two-room flat in Sundbyberg. No greeting, just one line: "So my mortgage goes up now?" He hadn't asked about crime, migration or healthcare, the topics that filled the debate studios all summer. He asked about the monthly transfer to his bank. For most households I know, that is where politics actually lands. And this time, he might have a point.
The result.
The case.
Sweden already taxes its banks. The risk tax on credit institutions, introduced in 2022, charges 0.07 percent on large banks' debts above SEK 197 billion. It is based on size, not profit. The Social Democrats want something different: a temporary tax on the part of net interest income that sits above a historical average. Their argument is simple. When the Riksbank raised rates, banks widened the gap between what they charged borrowers and what they paid savers, and households carried the cost. In its spring shadow budget, the party estimated the tax would raise SEK 4 billion. Koreans will recognise the argument. In 2023, Seoul leaned hard on its big banks over what critics called easy "interest-rate business," and the banks answered with relief packages for borrowers.
The pushback.
The other side has a point too. SEB's CEO Johan Torgeby told TT this summer that if you tax something, you get less of it, and consumers end up paying. Westerberg makes the same point: a fee on banks, all else being equal, gets passed on to the end customer. Swedish banking is dominated by a handful of large players, which makes passing costs on easier. And the new government has a problem before it even starts. The Centre Party, which Andersson needs, has said no to further bank taxation. Swedbank raised its fixed mortgage rates this week with no new tax in sight, a reminder that rates move for their own reasons.
Where I land.
I spend my working days following costs through ledgers, and one rule has never failed me: a cost always lands somewhere. The only question is whose books it ends up in. A bank tax on its own will land in my friend's mortgage. But the Social Democrats have also proposed banning list rates and pushing for stronger competition between banks. If those come in together, the tax has a real chance of staying with the banks. If the tax arrives alone as a quick revenue fix, I'd rather they skip it.
Over to you.
Would you accept a slightly higher mortgage rate if the money funded a cheaper bus card and a bigger child allowance? Or should the banks finally carry more of the load themselves? Tell me where you'd draw the line, and whether you trust any government to make a "temporary" tax disappear on schedule.
FAQs:
1. Will my mortgage rate go up because of a bank tax?
A: Nothing is decided yet. Economists such as Länsförsäkringar's Stefan Westerberg expect banks to pass at least part of any new fee on to customers.
2. Doesn't Sweden already tax its banks?
A: Yes. The risk tax from 2022 charges 0.07 percent on large banks' debts above SEK 197 billion, but it is based on size, not profits.
3. Can the Social Democrats actually get it through?
A: Not easily. The Centre Party opposes more bank taxation, and the red-green side has only 176 seats against 173.
4. What else could change for my household budget?
A: A higher child allowance looks likely, and a national transport ticket under SEK 500 a month and a broader electric car premium are proposed. Tax-free ISK savings of up to half a million kronor now look unlikely.
5. How much money would the bank tax bring in?
A: The Social Democrats estimated SEK 4 billion in their spring 2026 shadow budget.
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