It's super clean, well run, the public transport makes every other country look like a joke, the food is amazing, the laws are tied meaning it's a super safe place to live and wonder around, and everyone is lovely. We're considering a year of living there (and bracing ourselves for how expensive it is.)
If you haven't been: go. It's one of humanity's gems.
Edit: also, it has $4 Michelin Star food: https://edition.cnn.com/travel/article/singapore-cheapest-mi...