By Louisa Lim
More than three million people took part in protests in China last year, according to official statistics.
Protests in China are becoming better organised
The figures confirm police reports that demonstrations within China are growing in size and number, and becoming better organised.
The report, in Outlook magazine, blames dissatisfaction with government policy.
The main problems, it says, are wage disputes, social welfare problems, the restructuring of state-owned enterprises, and evictions.
These problems amount to a list of the fallout from China's reform process.
Many protests in China happen far from the public eye, but these figures show they are on the rise.
The Ministry of Public Security says last year there were more than 58,000 "mass incidents" - the term they use to describe public protests - involving three million people: that is an increase of almost 15% over the year before.
Western experts say that as protests increase, Chinese police are trying different strategies to contain them, sometimes even making economic concessions to demonstrators - moves that may even encourage others to stage protests.
And one Western academic has warned that, when it comes to the growing unrest, China's leaders will face riskier dilemmas than at any time since the massive protests in 1989.