Norway's sovereign wealth fund, the largest in the world, has reached the value of $1 trillion for the first time, the Norwegian central bank, which manages the fund, said. 

This amount equals nearly $189,000 (€157,000) for each of the 5.3 million people living in Norway. 

Established in the 1990s to manage the Norwegian state's oil revenues, the fund set the record thanks to the appreciation of the world's major currencies against the dollar and a good stock market health. 

The fund mainly invests in stocks - accounting for 65.1% of the portfolio at the end of the second quarter - but also in bonds and real estate. 

With stakes in nearly 9,000 companies, it owns 1.3% of the world's market capitalisation, and 2.3% in Europe. 

"I don't think anyone expected the fund to ever reach $1 trillion when the first transfer of oil revenue was made in May 1996," Yngve Slyngstad, CEO in Norges Bank Investment Management, said. 

This huge "piggy bank" is intended to finance Norway's welfare state when the oil wells one day run dry.  

The government, which pours all of its oil revenues into the fund, is allowed to draw only the equivalent of the expected financial returns, a ratio recently reduced from 4% to 3%. 

"Reaching $1 trillion is a milestone, and the growth in the fund's market value has been stunning," Slyngstad said. 

Last year, for the first time, Norway's government began withdrawing more from the fund than it put in, as oil revenues slumped due to the tumbling price of crude.