Gross National Product

Gross National Product — abbreviated GNP — measures the total value of goods and services produced by a country’s residents and nationals, regardless of whether they are produced at home or abroad. It is a less commonly used cousin of GDP, but it better captures the economic activity attributable to a nation’s people.

GDP versus GNP: the difference

The distinction turns on a single point: location of production versus nationality of the producer.

GDP = All output produced within a country’s borders (regardless of who owns the capital) GNP = All output produced by a country’s nationals (regardless of where they are)

A Japanese company’s factory in Tennessee contributes to US GDP but to Japan’s GNP. An American worker employed in London contributes to UK GDP but to US GNP. For most developed countries, the two figures are similar — within 3-5% of each other. But for countries with large foreign investment inflows or large diaspora remittances, the difference can be substantial.

Net national product (NNP)

A refinement of GNP subtracts depreciation — wear and tear on capital. Net National Product (NNP) = GNP − depreciation. This is the sustainable level of consumption the economy can maintain if capital stocks are to remain constant. A country with high GNP but massive capital depreciation is consuming its assets, not living off their returns.

The shift to GNI

Most statistical agencies have shifted from reporting GNP to Gross National Income (GNI), which adjusts for terms-of-trade effects in addition to net income flows. GNI includes factor income received from abroad (wages, interest, dividends) and subtracts factor income paid abroad.

The relationship is: GNI = GDP + net income from abroad

For countries exporting natural resources at favorable prices or receiving large capital inflows, this adjustment can be significant.

When GNP matters

GNP is less commonly used than GDP in modern policy analysis, but it remains relevant:

• National income accounting. The income side of the national accounts is inherently a GNP concept — it measures what nationals earn, not what is produced at home.
• Historical comparison. Long-run international comparisons sometimes rely on GNP because it better reflects actual national command over resources.
• Remittances and diaspora. For small nations with large diaspora income flows, GNP can exceed GDP substantially. The Philippines, for example, receives significant income from citizens working abroad.

Why GDP is now standard

GDP has become the dominant metric because:

1. It is more directly tied to employment and productivity within a country. If the goal is to understand domestic economic health and business cycles, location matters more than nationality.
2. It is easier to measure. Border-crossing income flows are harder to track than domestic transactions.
3. International trade has made the distinction less meaningful. A multinational corporation’s output is often difficult to attribute to a single nationality.
4. GDP is what determines a country’s tax base and government spending capacity.

See also