至少在生物医学类中国最高,2009-2020占了全部撤稿的三分之一
https://www.biorxiv.org/content/10.1101/2021.09.30.462625v3.full.pdf
Thirty countries account for 94,79% of 4844 retractions.
Top five are:
China(32,78%),
United States(18,84%),
India(7,25%),
Japan(4,37%)
Italy(3,75%).