[noun] + において [noun] + においては [noun] + においても [noun] + における + [noun]
において and における are formal expressions meaning "in," "at," "on," or "regarding." They indicate the place, time, field, or situation in which something occurs or is relevant. These expressions are commonly found in written language, academic texts, news reports, speeches, and formal announcements. They serve as a more formal equivalent of the particle で.
において is used adverbially, appearing before a verb or predicate to indicate where, when, or in what context an action or event takes place.
This can often be replaced by で in casual speech, but において carries a more formal and literary tone.
における functions as a modifier placed before a noun, similar to the pattern Noun + の. It describes the noun that follows.
における must be followed by a noun, while において is followed by a verb or predicate.
においては – Adds the topic/contrast particle は, emphasizing or contrasting a particular context.
においても – Adds も to mean "even in" or "also in."
において / における frequently appears with words related to fields (教育、医療、 ビジネス), places (日本、世界、この地域), time periods (現代、21世紀、歴史上), and situations (試合、交渉、日常生活). While grammatically interchangeable with で in many cases, using において / における signals formality and is expected in academic, official, and professional writing.