According to the latest statistics released by the World Bank in 2025, among the ASEAN countries in 1987, Indonesia ranked first in terms of gross domestic product(GDP), with a total economic volume of $75.93 billion; Thailand ranked second in terms of GDP, with a total economic volume of $50.54 billion; Philippines ranked third in terms of GDP, with a total economic volume of $37.79 billion; Vietnam ranked fourth in terms of GDP, with a total economy of $36.66 billion; and Malaysia, with a total economy of $32.18 billion, ranked fifth in GDP.
| Rank | Country | GDP |
|---|---|---|
| 1 | Indonesia | $75.93 billion |
| 2 | Thailand | $50.54 billion |
| 3 | Philippines | $37.79 billion |
| 4 | Vietnam | $36.66 billion |
| 5 | Malaysia | $32.18 billion |
| 6 | Singapore | $20.92 billion |
| 7 | Brunei | $2.75 billion |
| 8 | Myanmar | $1.45 billion |
| 9 | Laos | $1.09 billion |