Country size comparison
Vietnam is about 299 times bigger than Hong Kong.
Hong Kong is approximately 1,108 sq km, while Vietnam is approximately 331,210 sq km, making Vietnam 29,793% larger than Hong Kong. Meanwhile, the population of Hong Kong is ~7.3 million people (96.5 million more people live in Vietnam).
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This to-scale map shows a size comparison of Hong Kong compared to Vietnam. For more details, see an in-depth quality of life comparison of Vietnam vs. Hong Kong using our country comparison tool.