国内
こくない (kokunai)Relating to or occurring within one's own country; not foreign or international.
国内旅行を計画する。
Plan a domestic trip.
国内総生産（GDP）
Gross Domestic Product (GDP)
国内ニュース
Domestic news
Often used in economic, political, or travel contexts to distinguish activities within a country from those involving foreign countries.
Related Phrases
💡Pro Tip
Distinguishing 国内 and 国外
Remember that 国内 refers to activities or entities within the same country, while 国外 refers to activities or entities outside the country. For example, 国内旅行 (domestic travel) is travel within Japan, whereas 国外旅行 (international travel) is travel outside Japan.
⚡Gold Rule
Usage in compound nouns
When forming compound nouns, 国内 typically modifies the following noun directly (e.g., 国内市場 = domestic market, 国内総生産 = GDP).
📖Word Origin
Composed of 国 (country) + 内 (inside), meaning 'within the country' or 'domestic'. The term has been used in Japanese since at least the Edo period (1603–1868) to distinguish internal affairs from foreign matters.
📝Usage Notes
1. Used in contrast to 国外 (foreign) or 海外 (overseas). 2. Common in formal contexts such as economics, politics, and media. 3. Can be used as a noun modifier (e.g., 国内市場 = domestic market).