According to the latest statistics released by the World Bank in 2025, among the Southeast Asian countries in 1975, Indonesia ranked first in terms of gross domestic product(GDP), with a total economic volume of $30.46 billion; Philippines ranked second in terms of GDP, with a total economic volume of $16.88 billion; Thailand ranked third in terms of GDP, with a total economic volume of $14.88 billion; Malaysia ranked fourth in terms of GDP, with a total economy of $9.3 billion; and Singapore, with a total economy of $5.63 billion, ranked fifth in GDP.
| Rank | Country | GDP |
|---|---|---|
| 1 | Indonesia | $30.46 billion |
| 2 | Philippines | $16.88 billion |
| 3 | Thailand | $14.88 billion |
| 4 | Malaysia | $9.3 billion |
| 5 | Singapore | $5.63 billion |
| 6 | Brunei | $1.17 billion |
| 7 | Myanmar | $1.13 billion |