Why Do Japanese People Say “Mansion”?
In Japan, “マンション” (manshon) refers to an apartment building made of reinforced concrete. It’s a step above “アパート” (apāto), which refers to smaller, wooden apartments. But it has nothing to do with the English word “mansion.”
The word first appeared in Japanese real estate ads in the 1960s. Developers borrowed the English word “mansion” to make ordinary apartments sound more luxurious — after all, who wouldn’t want to live in a “mansion”? The marketing trick worked so well that the word stuck.
Mansion vs Apart
When apartment hunting in Japan, you’ll encounter two words:
- マンション: Reinforced concrete (RC) or steel frame, usually 3+ stories, better soundproofing, higher rent
- アパート: Wooden or light steel frame, usually 2 stories, thinner walls, cheaper rent
Both are apartments. Neither is a mansion.
Fun Fact
If you tell your Japanese landlord “I live in a mansion,” they’ll nod along — perfectly normal. Say the same thing to an American, and they’ll think you’re a millionaire!
Examples
In Anime
SPY×FAMILY
The Forger family lives in a "mansion" — but in the Japanese version, it's just a regular apartment, not the grand estate the English word suggests.
Detective Conan
Many cases take place in a "luxury mansion" (高級マンション). Don't be fooled — it's still just an upscale apartment, not a sprawling estate.