The world's 300 largest pension funds have seen their assets fall by the largest amount seen in 20 years, according to WTW's Thinking Ahead Institute (TAI).

The 2023 edition of the Global Top 300 Pension Funds index found there was a 12.9% overall drop in assets in 2022, equivalent to US$20.6 trillion - a large change from the 8.9% growth seen in 2021.

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