Country size comparison
Tonga is about 443 times smaller than Vietnam.
Vietnam is approximately 331,210 sq km, while Tonga is approximately 747 sq km, making Tonga 0.23% the size of Vietnam. Meanwhile, the population of Vietnam is ~103.8 million people (103.7 million fewer people live in Tonga).
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This to-scale map shows a size comparison of Vietnam compared to Tonga. For more details, see an in-depth quality of life comparison of Tonga vs. Vietnam using our country comparison tool.