Tacos are the world's most popular street food, according to a new study of TikTok posts. Originally from Mexico, these simple, messy, hand-sized snacks are enjoyed around the world. A money transfer company called Remitly wanted to find out about the world's best-loved street foods. It made a list of more than 300 such foods from 136 countries, and looked at TikTok to see how many times each one had been mentioned on the app. Tacos — tortillas filled with meat, vegetables or almost anything else you can think of — were mentioned more than 1.8 million times. Next came a South Asian favorite, pani puri. Eaten in India at any time of day, these are crispy dough balls often filled with potato, chickpeas and spices. Pani puri was mentioned more than 734,000 times, a little more than the third-placed food: hot dogs, which were mentioned almost 654,000 times. Many of the most popular street foods on the list are things you can easily eat while walking — although you might get some sauce on your shirt! But Vietnamese pho — a noodle soup — also did well, and so did Peru's ceviche, a fish dish made with lime juice and onion. Some sweet snacks were also in the website's top 10, including waffles, croissants and crepes. Many of these street foods can now be found around the world, although some are easier to find than others. But travel website TimeOut says eating authentic local street food is one of the best parts of traveling!