The UK Festival 2023 was organized by the British Embassy in Hanoi on Sep. 9-10, to commemorate the 50 years of diplomatic relations between Vietnam and the UK.

Among the 25 most spoken languages in the world, Vietnamese ranks 21st with more than 77 million speakers worldwide.

An international language training company says Vietnam has fallen 13 places in the EF English Proficiency Index (EPI), leaving Vietnam to stay in the low-proficiency category for the second consecutive year.