GDP ranking of Southeast Asian countries in 1966

According to the latest statistics released by the World Bank in 2025, among the Southeast Asian countries in 1966, Philippines ranked first in terms of gross domestic product(GDP), with a total economic volume of $7.19 billion; Thailand ranked second in terms of GDP, with a total economic volume of $5.28 billion; Malaysia ranked third in terms of GDP, with a total economic volume of $3.14 billion; Singapore ranked fourth in terms of GDP, with a total economy of $1.1 billion; and Cambodia, with a total economy of $0.91 billion, ranked fifth in GDP.