1. **OECD Pension Markets in Focus** - Provides annual surveys and reports on pension funds and public pension reserve funds globally. [OECD](https://www.oecd.org/finance/private-pensions.htm)

2. **Public Plans Data** - Offers detailed annual data on the largest state and local pensions in the U.S., including downloadable data and interactive tools. [Public Plans Data](https://publicplansdata.org/)

3. **Pension Funds Research Network | Savvy Investor** - A leading research network curating white papers and investment insights from top asset managers and consultants. [Savvy Investor](https://www.savvyinvestor.net/pension-funds)

4. **Thinking Ahead Institute** - Produces studies and reports on the world's largest pension funds, focusing on sustainability and innovation. [Thinking Ahead Institute](https://www.thinkingaheadinstitute.org/)

5. **Pensions & Investments** - Provides current and historical data, research reports, and news articles on pension funds and retirement plans. [Pensions & Investments](https://www.pionline.com/research-center)

6. **Visual Capitalist** - Visual representations and rankings of the largest pension funds globally, highlighting their assets and investment strategies. [Visual Capitalist](https://www.visualcapitalist.com/the-100-biggest-pension-funds-in-the-world/)

7. **Morningstar** - Offers research and analysis on mutual funds, ETFs, and other investment products, including those used by pension funds. [Morningstar](https://www.morningstar.com)

8. **Pension Plans Data | Pension & Investments** - Data and research on the largest retirement plans, including asset growth and investment strategies. [P&I Data](https://www.pionline.com/data)

9. **GlobeNewswire** - Reports and news releases on global pension funds, including performance and investment trends. [GlobeNewswire](https://www.globenewswire.com)

10. **Trustnet** - Provides performance data and analysis on top-performing pension funds and investment strategies. [Trustnet](https://www.trustnet.com)