expression, noun
Heisei-era great municipal mergers; large-scale municipal mergers of the Heisei era
Refers to the wave of municipal mergers in Japan between 1995 and 2010, driven by the temporary Special Mergers Law. Often used in historical, political, or administrative contexts.
See also: 平成
平成の大合併によって、全国の市町村の数は大幅に減少した。
Due to the Heisei-era great mergers, the number of municipalities nationwide decreased significantly.
この地域では、平成の大合併で新しい市が誕生した。
In this region, a new city was born through the Heisei-era great mergers.
Compound of 平成 (Heisei era), の (possessive particle), and 大合併 (large-scale merger). The term emerged in the late 1990s to describe the nationwide municipal consolidation promoted by the Japanese government.