Trade Openness
Trade openness measures the value of a country's exports plus imports as a share of its GDP. Globally the ratio climbed from roughly a quarter of GDP in 1970 to a 61% peak in 2008, then plateaued in an era of 'slowbalisation'. Small hub economies trade well over 100% of GDP, while large economies like the US and Japan remain comparatively closed.
Key Trade Openness Insights
From 27% to 57% in half a century
World trade rose from about 27% of GDP in 1970 to roughly 57% today, driven by falling tariffs, container shipping and the integration of China and Eastern Europe into global supply chains.
Small economies trade more than they produce
Luxembourg (394%), Singapore (311%) and Ireland (235%) record trade ratios far above 100% of GDP because goods and services flow repeatedly across their borders relative to domestic output.
Giants are comparatively closed
The United States (27%), China (37%) and Japan (47%) trade a far smaller share of GDP than the world average, because large internal markets meet much of their own demand.
Slowbalisation, not deglobalisation
After peaking near 61% in 2008, the world ratio has hovered in the mid-to-high 50s rather than collapsing, a plateau economists call 'slowbalisation' rather than a sharp reversal of trade.
World Trade as a Share of GDP, 1970-2024
Exports plus imports of goods and services as a percentage of world GDP, showing the long rise to the 2008 peak and the subsequent plateau.
Key Finding: World trade roughly doubled as a share of GDP, from about 27% in 1970 to a peak near 61% in 2008, settling at 56.6% in 2024.
The Most Open Economies (2023)
Trade as a percentage of GDP for the world's most open economies, where exports plus imports far exceed total domestic output.
Key Finding: Luxembourg's trade equalled 394% of GDP and Singapore's 311% in 2023, reflecting their roles as finance, logistics and re-export hubs.
Large Economies Are Comparatively Closed
Trade as a percentage of GDP for major economies compared with the world average, illustrating how big internal markets lower the ratio.
Key Finding: The United States traded just 27% of GDP and China 37%, both well below the world average of about 58%.
World Exports vs Imports as a Share of GDP
Exports and imports of goods and services each measured against world GDP, the two components that sum to the trade-openness ratio.
Key Finding: World exports reached about 29.1% of GDP and imports about 28.3% in 2024, together making up the 56.6% trade ratio.
The Slowbalisation Plateau Since 2008
World trade as a percentage of GDP since the 2008 peak, highlighting the flat trajectory that defines the slowbalisation era.
Key Finding: Since its 61% peak in 2008 the ratio has stayed in the mid-to-high 50s, ending at 56.6% in 2024 rather than reversing sharply.
Understanding Trade Openness Data
What the trade-openness ratio measures
The trade-openness ratio is the sum of a country's exports plus imports of goods and services divided by its GDP (World Bank indicator NE.TRD.GNFS.ZS). It captures gross trade flows, not net trade, so a country can have a high ratio while running either a surplus or a deficit. It is a measure of exposure to international markets rather than of trade balance.
Why small economies exceed 100% of GDP
GDP counts only value added within an economy, but trade flows count the full gross value of goods and services crossing the border. In small, highly specialised economies such as Singapore, Luxembourg and Belgium, the same goods are imported, processed and re-exported, so combined trade flows can run several times larger than domestic value added, pushing ratios above 100% and even past 300%.
Slowbalisation, not deglobalisation
After decades of rising integration, the world ratio peaked near 61% in 2008 and has since plateaued in the mid-to-high 50s. Economists call this slowbalisation: trade is still growing in absolute terms and roughly tracking GDP, but no longer outpacing it as it did before the financial crisis. The COVID-19 shock briefly cut the ratio to about 52% in 2020 before it recovered.
Re-exports and the Ireland distortion
Trade ratios can be distorted by re-exports and accounting effects. Ireland's ratio is inflated by multinational activity such as contract manufacturing and intellectual-property relocation, which swell recorded exports without matching domestic production. Similar caveats apply to other hub economies, so cross-country comparisons should be read as indicators of integration and openness rather than precise measures of how much real activity is genuinely traded.