According to the latest statistics released by the World Bank in 2025, among the Southeast Asian countries in 1973, Indonesia ranked first in terms of gross domestic product(GDP), with a total economic volume of $16.27 billion; Philippines ranked second in terms of GDP, with a total economic volume of $11.41 billion; Thailand ranked third in terms of GDP, with a total economic volume of $10.84 billion; Malaysia ranked fourth in terms of GDP, with a total economy of $7.66 billion; and Singapore, with a total economy of $3.7 billion, ranked fifth in GDP.
| Rank | Country | GDP |
|---|---|---|
| 1 | Indonesia | $16.27 billion |
| 2 | Philippines | $11.41 billion |
| 3 | Thailand | $10.84 billion |
| 4 | Malaysia | $7.66 billion |
| 5 | Singapore | $3.7 billion |
| 6 | Cambodia | $0.7 billion |
| 7 | Myanmar | $0.67 billion |
| 8 | Brunei | $0.43 billion |