Country size comparison
compared to
Vietnam is about 14 times bigger than Djibouti.
Djibouti is approximately 23,200 sq km, while Vietnam is approximately 331,210 sq km, making Vietnam 1,328% larger than Djibouti. Meanwhile, the population of Djibouti is ~957,273 people (102.9 million more people live in Vietnam).
Compare further: Vietnam vs. Djibouti