How to say "nationwide" in Japanese

• 全国的ぜんこくてきCommon
  na-adjectiveThe default adjective for 'nationwide' or 'national': describes something spanning the country as a whole, such as a nationwide movement, survey, or network. Neutral and broadly applicable.
  警察けいさつは犯人はんにんの全国的ぜんこくてきな捜索そうさくを開始かいしした。↗

  The police have started a nationwide hunt for the criminal.
• 全国各地ぜんこくかくち
  no-adjectiveA noun phrase meaning 'every region of the country'; suits contexts stressing that something reaches all corners or many separate places nationwide, rather than describing a single nationwide quality. Less common than 全国的.

Use 全国的 for something that extends across the whole country as a single scope, and 全国各地 when emphasizing that it reaches every region or corner of the country.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 全国的ぜんこくてきnationwide
• 全国各地ぜんこくかくちevery region of the country