In an article published Thursday, the website said Vietnamese ranked 21st among the 25 most spoken languages of the world.
Saying it had consulted Ethnologue, an annual reference publication regarding statistics and other information of living languages, InsiderMonkey drew up the ranking based on the number of speakers of a language, among other data points.
Accordingly, the Vietnamese language is spoken by over 77 million people worldwide, with the majority being residents living in Vietnam. It falls behind Korean with 82 million speakers, and ahead of Hausa, with 75 million speakers.
The five most spoken languages around the world are English, Mandarin Chinese, Hindi, Spanish and Standard Arabic, according to the list.