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▽…外国人が日本に中長期で滞在する際に必要な身分や活動範囲の分類。およそ30種類あり、出入国在留管理庁が付与する。外務省などが発給する査証（ビザ）は入国の際にパスポートの有効性などに問題がないとお墨付きを与えるもので、在留資格とは異なる。在留外国人数は2025年6月末時点で約395万人と過去最多を更新した。▽…日本に滞在できる期間は資格ごとに決まっている。多くは最長5年で更新も可能だ。「永住者」「 ...