STAVANGER, Norway — Prosperous Norway is holding an election with inequality high on the list of concerns and the future of a wealth tax that has endured for over a century in doubt.

There is expected to be a close outcome between the center-left bloc led by the Labor Party of Prime Minister Jonas Gahr Støre, Norway's leader for the past four years, and a right-wing bloc. Voting at polling places got underway Sunday and would run through Monday.

Labor wants to keep the wealth tax that has been a mainstay of Norwegian policy since 1892. Of its rivals on the right, the Conservatives want it reduced and the Progress Party, which calls for lower taxes and more immigration controls, wants it scrapped. Previously a fringe issue, it has been at the heart of this campaign.

Around 4.3 million pe

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