Norway’s $1.2 trillion sovereign wealth fund is prepared for a rocky ride as it confronts the biggest geopolitical changes in three decades, its chief executive said on Tuesday.

Of all the risk factors, stagflation was “the worst”, Tangen said, adding it could potentially lead to a 40% fall in the fund and that it was a more likely scenario than six months ago.

Assets now correspond to $230,000 for every Norwegian, and the purpose of the fund is to share the proceeds of the country’s oil and gas revenues with future generations.

Read more: Reuters