Higher health insurance fee when moving to new city

Hello everyone,

I moved from Shinjuku-ku to Shinagawa-ku recently.
At Shinjuku-ku, I only have to pay 1650 Yen/month for my health insurance. But at Shinagawa-ku, I have to pay more than 5000 yen. Do you know what happened here? Is it related to tax?

Thank you in advance

1 comment
  1. the rate varies according to area/ city .. or your salary increased last year

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