A report from United Nations Conference on Trade and Development (UNCTAD) claims the United States of America leads the world in both spam production and spam consumption.
| Spam Origins, March 2003 | |
|---|---|
| United States | 58.4% |
| China | 5.6% |
| United Kingdom | 5.2% |
| Brazil | 4.9% |
| Canada | 4.1% |
| Others | 21.8% |
| Source: UNCTAD | |