According to the latest statistics released by the World Bank in 2025, among the Southeast Asian countries in 2003, Indonesia ranked first in terms of gross domestic product(GDP), with a total economic volume of $234.77 billion; Thailand ranked second in terms of GDP, with a total economic volume of $152.28 billion; Malaysia ranked third in terms of GDP, with a total economic volume of $110.2 billion; Singapore ranked fourth in terms of GDP, with a total economy of $97.65 billion; and Philippines, with a total economy of $87.04 billion, ranked fifth in GDP.
| Rank | Country | GDP |
|---|---|---|
| 1 | Indonesia | $234.77 billion |
| 2 | Thailand | $152.28 billion |
| 3 | Malaysia | $110.2 billion |
| 4 | Singapore | $97.65 billion |
| 5 | Philippines | $87.04 billion |
| 6 | Vietnam | $39.55 billion |
| 7 | Myanmar | $7.76 billion |
| 8 | Brunei | $6.56 billion |
| 9 | Cambodia | $4.66 billion |
| 10 | Laos | $2.02 billion |
| 11 | Timor-Leste | $0.49 billion |