Money & Finance › Money flows around the world › Balance of payments: current account vs. financial account
Foreign direct investment (FDI) vs. portfolio flows
Global FDI about $1.5T (2024, UNCTAD)· Concept
Fact, law or dataA rule, statute, definition or measured number.
Direct investment buys lasting control of a foreign business; portfolio investment buys tradable stocks and bonds.
See it on the Money & Finance map →How it works
The dividing line, by international rule, is a 10% voting stake. Building a plant, buying a company or buying a foreign office building is direct investment; buying a few Samsung shares through a fund is portfolio. FDI comes as new 'greenfield' projects, mergers and reinvested profits. Global FDI was about $1.5 trillion in 2024 (UNCTAD), with the US the largest recipient. Big foreign acquisitions of US firms can be reviewed for national security by CFIUS, an interagency committee chaired by Treasury.
Why it matters
FDI brings factories, jobs and technology and is hard to pull out, so countries court it while treating fast portfolio money with caution.
Think of it like
FDI is buying and running the building; portfolio investment is holding REIT shares you can sell tomorrow.
Facts, rules and data
IMF and OECD definitions, UNCTAD's annual World Investment Report, and BEA surveys of foreign-owned US companies.
Debates and risks
Much FDI is 'phantom' money routed through shell companies in places like Luxembourg and the Netherlands; IMF researchers estimated almost 40% in 2019.
Connections (4)
▸Foreign direct investment (FDI) vs. portfolio flows shows up in the financial account of Balance of payments: current account vs. financial accountFact, law or data
The connection
When a Korean automaker builds a plant in Georgia or a foreign investor buys a US office building, the money counts as a direct-investment inflow in the US financial account. Profits the business earns and reinvests count too. Dividends sent home later appear in the current account, as investment income paid abroad.
When and why
Recorded by BEA through mandatory surveys of foreign-owned US companies and of US companies' affiliates abroad.
How we know
BEA's BE-12 benchmark and quarterly BE-605 surveys, using IMF balance-of-payments definitions.
Debates and risks
Corporate tax planning routes much FDI through holding companies abroad, so the ultimate investor country is often unclear.
▸Foreign direct investment (FDI) vs. portfolio flows is far steadier than Hot money and capital flight: money that flees in a panicMainstream view
The connection
A factory cannot be sold overnight, so direct investment tends to stay through crises. In 1997–98, FDI into the Asian crisis economies held up while short-term bank loans and portfolio money fled. That is why countries prefer financing deficits with FDI rather than short-term borrowing.
When and why
Seen in Latin America in the 1980s and 1990s, Asia in 1997, and emerging markets in 2008 and 2013.
How solid is the link?
IMF and academic studies, such as Sarno and Taylor (1999), find FDI the least volatile type of capital flow.
Debates and risks
The line blurs: intercompany loans count as FDI but can move fast, and firms can hedge or borrow against their plants.
▸US tariff surge of 2025–26 and the IEEPA ruling extracted Japan and Korea pledges of Foreign direct investment (FDI) vs. portfolio flowsFact, law or data
The connection
Facing tariffs of 25% or more, Japan agreed in July 2025 to a $550 billion fund for US projects chosen by Washington, and Korea to $350 billion, later set as $200 billion in capped yearly installments plus $150 billion for shipbuilding. In exchange, US tariffs on their goods were cut to 15%.
When and why
Negotiated in Washington and at summits from July to November 2025 between the Trump administration and the Japanese and Korean governments.
How we know
White House fact sheets, joint statements and the investment memorandums signed with Japan and Korea in 2025.
Debates and risks
How much money will actually flow, and whether the pledges hold after the Supreme Court's February 2026 ruling against the IEEPA tariffs, are open questions.
▸Data centers: the AI-driven building boom made up over a fifth of 2025's greenfield Foreign direct investment (FDI) vs. portfolio flowsFact, law or data
The connection
When a company builds a new facility abroad, that is 'greenfield' foreign direct investment. In 2025 tech firms announced data centers worldwide, from Europe to the Gulf and Asia. UNCTAD found data centers made up more than a fifth of all announced greenfield project value, over $270 billion, even as project counts fell overall.
When and why
Worldwide in 2025; reported in UNCTAD's Global Investment Trends Monitor of January 2026.
How we know
UNCTAD greenfield data, built from announced projects in the fDi Markets database; announcements are plans, not completed spending.
Debates and risks
How many announced projects get built, given power shortages and the risk that AI demand forecasts prove too high.