Standards

Standards

Explore international standards data

Side-by-side views of what your JavaScript runtime knows versus official sources.

Currencies

  • JS Intl.NumberFormat (symbols)
  • ISO 4217 List One (active)
  • ISO 4217 List Three (historical)

Timezones

  • JS Intl API
  • IANA tzdata

Countries

  • JS Intl API (flags, names)
  • ISO 3166-1 (Alpha-2/3, numeric, names)
  • ISO 3166-2 (subdivisions)
  • UN M49 (regions)
  • UN / EU (membership)
  • ICAO Doc 9303 (passport codes)
  • ICAO Annex 7 (aircraft marks)
  • UNECE (vehicle codes)
  • IOC (Olympic codes)
  • FIFA (country codes)
  • IANA (ccTLDs)
  • ITU-T E.164 (dialing codes)

Languages

  • JS Intl.DisplayNames
  • ISO 639-1
  • IANA BCP 47 Subtag Registry
  • Unicode CLDR