Osaka vs Nagoya
It's a near-perfect tie across all 7 criteria.
Summary
Osaka and Nagoya are close to a statistical tie overall (7.7 vs 7.7), each winning 0 of 7 criteria. The right choice here comes down entirely to which specific factors matter most to you, not the aggregate score.
Quick answers
Safety: Osaka and Nagoya tie on this (9/10 each).
Climate: Osaka and Nagoya tie on this (6/10 each).
Osaka and Nagoya are essentially tied overall (7.7/10 vs 7.7/10).
Cost of living: Osaka and Nagoya tie on this (6/10 each).
Osaka and Nagoya are a close call for families based on safety, healthcare and environment.
Osaka and Nagoya are a close call for remote work based on internet and cost of living.
Where each city wins
No standout advantage on any single criterion.
No standout advantage on any single criterion.
Which city fits your profile?
Osaka and Nagoya score within a rounding error of each other for remote workers who need fast internet and an affordable, pleasant base, so this comparison won't settle it either way.
Osaka and Nagoya score within a rounding error of each other for independent workers balancing cost of living against healthcare access, so this comparison won't settle it either way.
Osaka and Nagoya score within a rounding error of each other for households with kids prioritizing safety, healthcare and clean air, so this comparison won't settle it either way.
Osaka and Nagoya score within a rounding error of each other for movers for whom affordability outweighs every other factor, so this comparison won't settle it either way.
Osaka and Nagoya score within a rounding error of each other for people relocating somewhere unfamiliar who weigh personal safety above all, so this comparison won't settle it either way.
Osaka and Nagoya score within a rounding error of each other for retirees prioritizing healthcare, climate and a calm environment over nightlife or internet speed, so this comparison won't settle it either way.
Osaka and Nagoya score within a rounding error of each other for students who need affordability, transit and a lively social scene, so this comparison won't settle it either way.
Osaka and Nagoya score within a rounding error of each other for expatriates relocating for work who lean on safety, healthcare and internet to stay settled and connected, so this comparison won't settle it either way.
Osaka and Nagoya score within a rounding error of each other for founders and small business owners who need reliable connectivity and a livable base without big-city costs, so this comparison won't settle it either way.
Osaka and Nagoya score within a rounding error of each other for early-career movers who want nightlife and transit within budget, without yet prioritizing healthcare or climate, so this comparison won't settle it either way.
Which city should you choose?
Osaka and Nagoya are close enough across every profile we tested that either is a reasonable choice — the deciding factor will be something personal to you that isn't in this dataset, like a job offer or a language you already speak.