> We see that Russia has lower percentages when the password lengths are less than 10 and the percentage increases as we go to higher length passwords. This cou

> We see that Russia has lower percentages when the password lengths are less than 10 and the percentage increases as we go to higher length passwords. This could mean that people are more aware of good password practices. Russians commonly make passwords from Russian dictionary words by pressing the respective Russian letters on their keyboards but without actually switching to Russian language. Also for this reason it seems Russians are not using top 50 most common passwords, while in reality they surely do, it's just 50 most common Russian ones. As for China, was the breached service not blocked by firewall and commonly used by ordinary Chinese? Are you sure you're not analyzing just Hong Kong instead of all the China? Raw stats like that are misleading. One has to consider how these countries' languages, cultures and political peculiarities affect usage of Internet services.