The Carolina Reaper currently holds the title as the world's spiciest chili pepper, according to Guinness World Records. It averages around 1,641,183 Scoville Heat Units (SHU).
This pepper was once the world's hottest before the Carolina Reaper came along. It typically has a Scoville rating of over 1.2 million SHU.
Native to India, the ghost pepper is known for its extreme spiciness, often reaching over 1 million SHU.
The Naga Viper held the record for the world's hottest chili pepper in 2011, with an average heat level of around 1.3 million SHU.
This British chili pepper was briefly the world's hottest in 2011, with an average heat level of around 1.2 million SHU.
Commonly used in Caribbean cuisine, the Scotch Bonnet pepper is extremely spicy, ranging from 100,000 to 350,000 SHU.
Spicy curries from countries like India, Thailand, and Indonesia are known for their intense heat.