databutler.dev · /facts — every fact · Verified Facts protocol · /.well-known/facts.json · /changes

Annual tax with the ~20% surcharge, private kei passenger car 13 years after first given its number (from the fiscal year containing the 14th-year month)

12900 JPY/year

standing figure · verified 2026-10-24 against the official source · next expected change 2027-04-01

税率（年額） 1.旧税率 2.新税率 3.重課税率 … 四輪以上（660cc以下） 乗用 自家用 7,200円 10,800円 12,900円
key
jp/kei-tax/passenger-private-heavy-13y
value
12900 JPY/year
period
—
effective
— to date
source
https://www.city.koto.lg.jp/060501/kurashi/zekin/kejidosha/5112.html
verified
2026-10-24 — fresh (13 days ago; next check by 2026-11-28)
next expected change
2027-04-01 (annual: a fixed day each year)
source checked
2026-11-02 (the newest day the automated check fetched the source page)
scope
四輪以上の軽自動車 (660 cc or less), 自家用 乗用, standard rate (標準税率; 制限税率 1.5×), charged to the owner on 1 April with no 月割. The rate depends on when the vehicle first received its number (初度検査年月): before or from 2015-04-01, and 13 years after it the surcharge rate. Called 軽自動車税種別割 until 2026-03-31.
hash
sha256:94c8b31037b5e959e848724a6e15ffbf52f3029e5f5873b89855ca77e13e1805
signature
EdDSA, key db-2026-10 — keys

As JSON

curl -s https://databutler.dev/f/jp/kei-tax/passenger-private-heavy-13y?max_age=30d — schema; verify with npx verified-facts verify https://databutler.dev/f/jp/kei-tax/passenger-private-heavy-13y

{
  "protocol": "verified-facts/0.3",
  "key": "jp/kei-tax/passenger-private-heavy-13y",
  "label": "Annual tax with the ~20% surcharge, private kei passenger car 13 years after first given its number (from the fiscal year containing the 14th-year month)",
  "value": 12900,
  "unit": "JPY/year",
  "period": null,
  "effectiveFrom": null,
  "effectiveTo": null,
  "source": "https://www.city.koto.lg.jp/060501/kurashi/zekin/kejidosha/5112.html",
  "quote": "税率（年額） 1.旧税率 2.新税率 3.重課税率 … 四輪以上（660cc以下） 乗用 自家用 7,200円 10,800円 12,900円",
  "verifiedDate": "2026-10-24",
  "nextScheduledRefresh": "2026-11-28",
  "changeCadence": "annual",
  "nextExpectedChange": "2027-04-01",
  "sourceCheckedAt": "2026-11-02",
  "status": "fresh",
  "ageDays": 13,
  "maxAgeDays": null,
  "scope": "四輪以上の軽自動車 (660 cc or less), 自家用 乗用, standard rate (標準税率; 制限税率 1.5×), charged to the owner on 1 April with no 月割. The rate depends on when the vehicle first received its number (初度検査年月): before or from 2015-04-01, and 13 years after it the surcharge rate. Called 軽自動車税種別割 until 2026-03-31.",
  "hash": "sha256:94c8b31037b5e959e848724a6e15ffbf52f3029e5f5873b89855ca77e13e1805",
  "signature": {
    "alg": "EdDSA",
    "kid": "db-2026-10",
    "jws": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRiLTIwMjYtMTAifQ..HzRcz22xs_GO0jIGOLGi8Y9Ieq8RptpmcgmQPBLStNT0zPuNfBJ6-L2aY3FQiRbvNnv67rEkfEXNA4OU7v-3Bg",
    "keys": "https://databutler.dev/.well-known/jwks.json"
  },
  "publisher": {
    "name": "Data Butler",
    "url": "https://databutler.dev/"
  },
  "cite": {
    "url": "https://databutler.dev/facts/jp/kei-tax/passenger-private-heavy-13y",
    "text": "databutler.dev, verified 2026-10-24 against https://www.city.koto.lg.jp/060501/kurashi/zekin/kejidosha/5112.html"
  }
}