A pension plan in which the contributor (individual or employer) decides the contributions and the eventual benefits vary according to investment performance (a defined-contribution pension plan). In Japan this includes individual (iDeCo) and corporate types.
会社が確定拠出年金を導入して、毎月一定額を拠出している。
The company introduced a defined-contribution pension plan and contributes a fixed amount every month.
個人型確定拠出年金（iDeCo）に自分で加入して掛金を運用している人も多い。
Many people join the individual defined-contribution pension plan (iDeCo) and manage their own contributions.
確定給付年金とは異なり、給付額は運用結果によって変わる。
Unlike defined-benefit pensions, the benefit amounts change according to investment results.