United Kingdom vs United States: Portfolio investment, Equity and investment fund shares

United Kingdom
3.54 trillion US dollar
in 2025
United States
15.13 trillion US dollar
in 2025
United Kingdom rank
3rd
United States rank
1st

Portfolio investment, Equity and investment fund shares over time

  • United Kingdom
  • United States
05.0T10.0T15.0T197620002025

How they compare

United States currently reports 15.13 trillion US dollar against 3.54 trillion US dollar in United Kingdom, a difference of 11.59 trillion US dollar.

That makes United States's figure about 4.3 times United Kingdom's.

The two have swapped places 1 time across 46 shared years of data; in 1980 it was United Kingdom ahead.

United Kingdom ranks 3rd and United States ranks 1st of 160 countries.

Across the 5 decades both report, United Kingdom averaged higher in 1 and United States in 4.

Head to head by decade

Decade United Kingdom United States Difference Ahead
1980s 93.67 billion US dollar 64.25 billion US dollar 29.42 billion US dollar United Kingdom
1990s 361.24 billion US dollar 844.47 billion US dollar 483.23 billion US dollar United States
2000s 1.08 trillion US dollar 2.91 trillion US dollar 1.84 trillion US dollar United States
2010s 1.93 trillion US dollar 6.84 trillion US dollar 4.90 trillion US dollar United States
2020s 2.84 trillion US dollar 11.87 trillion US dollar 9.03 trillion US dollar United States

Averages of every year both report within each decade.

Frequently asked questions

Which has higher portfolio investment, equity and investment fund shares, United Kingdom or United States?
United States, at 15.13 trillion US dollar against 3.54 trillion US dollar in United Kingdom as of 2025.
What is the difference in portfolio investment, equity and investment fund shares between United Kingdom and United States?
11.59 trillion US dollar, with United States ahead.
How many years of comparable data are there for United Kingdom and United States?
46 years are reported by both, from 1980 to 2025.
How do United Kingdom and United States rank globally for portfolio investment, equity and investment fund shares?
United Kingdom ranks 3rd and United States ranks 1st of 160 countries.
Where does this data come from?
International Monetary Fund, published as Portfolio investment, Equity and investment fund shares (Assets, Positions, US dollar). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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United Kingdom vs United States: Portfolio investment, Equity and investment fund shares. Statizoid, drawing on International Monetary Fund. Retrieved 18 September 2026, from https://economy.statizoid.com/compare/portfolio-investment-equity-and-investment-fund-shares-assets-positions-us-dollar/united-kingdom/united-states/

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About this data

Indicator
Portfolio investment, Equity and investment fund shares (Assets, Positions, US dollar)
Unit
US dollar
Source
International Monetary Fund
Licence
IMF Terms and Conditions (attribution required)
Coverage
163 places, 3,798 data points, 1948–2025
Last refreshed

The International Investment Position (IIP) is a statistical statement that shows at a point in time the value of financial assets of residents of an economy that are claims on nonresidents or are gold bullion held as reserve assets; and the liabilities of residents of an economy to nonresidents.