Aoki index
A political metric in Japan, named after LDP politician Mikio Aoki, defined as the sum of the cabinet approval rating and the ruling party approval rating. Used in political commentary and analysis.
青木率が50%を下回ると、政権運営が厳しくなると言われている。
It is said that when the Aoki index falls below 50%, governing becomes difficult.
Named after LDP politician Mikio Aoki (青木幹雄). The term combines his surname 青木 with 率 (rate/index).