How to read a trade deficit in the official figures

A trade deficit is a subtraction. If a country imports more than it exports over a period, the difference between exports and imports is negative. A headline about the size of that gap leaves open two questions. What happened on each side, and which kinds of trade were included?

Rebuild a published monthly number

The U.S. Bureau of Economic Analysis and Census Bureau’s December 2024 release provides a fixed example. It reported December exports of goods and services of $266.5 billion and imports of $364.9 billion. Subtract the imports from the exports and you get a balance of −$98.4 billion. The release’s November figures were $273.6 billion and $352.5 billion, yielding a deficit of $78.9 billion.

In that release, the gap widened because both sides moved. Exports fell by $7.1 billion and imports rose by about $12.4 billion as reported in the accompanying table. Both changes pushed the balance in the same direction. The printed difference between the two rounded balances is $19.5 billion.

Look separately at goods and services

The December goods deficit was $123.0 billion, while services recorded a surplus of $24.5 billion. The services surplus offset part of the goods deficit. Combining the rounded figures gives a deficit of about $98.5 billion, close to the reported $98.4 billion. The difference comes from adding independently rounded values.

A goods-only headline would therefore give a larger gap for this month. The main total covers both goods and services. To answer whether a number describes all U.S. trade or just goods, find the series name in the release. For a cross-month comparison, use the same series throughout.

Keep the historical release with the result

This example uses the seasonally adjusted current-dollar figures as printed in the February 2025 release for December 2024. Statistical agencies can revise earlier months as more data become available. Preserve the release date if you want a reader to be able to recreate the numbers. Use a later consistent series if your question calls for the most recently revised historical estimates.

A larger deficit can reflect changes in prices as well as changes in what was bought and sold. When the question is about quantities, look for an inflation-adjusted series with matching coverage. The headline balance tells you the value gap for the series and period shown.