昇進 and 昇格: advancement in position and rank
Compare the two words for advancement to section manager with practice aimed at moving up from a lower league. Read their overlap and the wider range of status or rank.
A planned promotion and its celebration
昇進 (しょうしん) means promotion. 「姉は来月から課長に昇進する予定です。」 describes the sister's planned promotion to section manager next month. The position, timing, and 予定 mark what is planned.
「同僚の昇進を皆で祝いました。」 reports everyone celebrating a colleague's promotion. The celebration is stated without specifying the new position or a salary change.
Advancement to a position or a league
昇格 (しょうかく) means advancement or promotion in status or rank. 「彼女は来月から課長に昇格する。」 describes her promotion to section manager next month. 昇進 and 昇格 can both describe advancement to that position.
「下位リーグからの昇格を目指して毎日練習した。」 reports daily practice aimed at promotion from a lower league. 昇格 also applies outside company positions, and practice toward the goal does not complete the promotion.
Overlap and a wider range of rank
昇進 focuses on advancement in an occupational position; 昇格 focuses on advancement in status or rank. Becoming section manager can fit both, while the league example shows the wider target range of 昇格.
A plan, a celebration, and practice toward a goal represent different states. The words do not establish a fixed relationship between position, salary, and grade; read the stated target and timing.
If both words describe becoming section manager, is 昇格 limited to company positions?
Show the answer and why
No. They can overlap for the section-manager position, but 昇格 also describes the goal of moving up from a lower league. The practice is directed toward promotion and does not report its completion.