Singapore has world’s most powerful passport, ahead of Japan. US 8th on Henley Passport Index
https://www.scmp.com/news/asia/southeast-asia/article/3268536/singapore-has-worlds-most-powerful-passport-ahead-japan-us-8th-henley-passport-index
Singapore passport holders have the most flexibility for travel worldwide, with the ability to visit 195 countries without a visa.
Always good to remind Americans that they are not the most welcomed people in the world...