personnel reduction; staff cutback
Refers to reducing the number of employees or staff, often in a business or organizational context.
The company carried out a personnel reduction to cut costs.
リストラ is a broader term for corporate restructuring, often including layoffs, while 人員縮少 specifically means reducing the number of personnel.
人員削減 is a more common synonym for personnel reduction; 人員縮少 is less frequent but carries the same meaning.
Compound of 人員 (personnel) and 縮少 (reduction, contraction). The spelling 縮少 is a variant of 縮小, both meaning 'reduction'.