This blog post from the Global Initiative to End All Corporal Punishment of Children explains the Initiative's in-depth review of states committed to prohibition of corporal punishment. For the review, the Initiative published their criteria used to confirm states’ commitment in summer 2019 and called on all governments which have not yet achieved prohibition to publicly commit or reaffirm their commitment to law reform. They welcomed input from national human rights institutions, civil society organisations and concerned individuals on the issue, and consolidated all of this data to revise our list of committed states.
The results of the review - including a "a sharp drop in the number of states committed to law reform" - were published in the 2019 Global Report.