How to say "aggregation" in Japanese

Choosing the right word
  • まとめJLPT N1approx.Common
    nounCovers aggregation in the everyday sense of gathering things together or summing them up into a summary or recapitulation. Choose this for general talk of pulling points or results together, rather than for statistical tabulation.
  • 集計しゅうけいJLPT N1approx.Common
    noun, suru verb, transitive verbCovers aggregation as totalization: compiling numbers into a total, such as tallying votes or survey results. This is the word for statistical or numerical aggregation of data.
    Our company is a small but elect venture business that assists in entry and totalling of questionnaires.
  • 集成しゅうせいCommon
    noun, suru verb, transitive verbMatched to aggregation as its gloss, it covers the sense of combining separate elements into one integrated whole. In practice it often reads as compilation or integration, so it is not the usual everyday word for aggregation.

Use 「まとめ」 for summarizing or gathering things together, 集計 for totaling or tallying figures such as votes or data, and 集成 for the more technical sense of combining elements into one aggregate.

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

Japanese equivalents

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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