Tracking the Impact of Hong Kong’s National Security Law

These graphics are based on research by Lydia Wong, Eric Yan-ho Lai, and Thomas Kellogg. The graphics are regularly updated, and earlier versions of them, along with analysis of the data, appear in “New Data Show Hong Kong’s National Security Arrests Follow a Pattern” and “Arrest Data Show National Security Law Has Dealt a Hard Blow to Free Expression in Hong Kong.”

Data cut-off date: March 28, 2022

NSL: The Law of the People’s Republic of China on Safeguarding National Security in the Hong Kong Special Administrative Region (National Security Law)
NSD: the Hong Kong Police National Security Department

Note: For several individuals listed in this dataset, information about the grounds for arrest is unclear or unavailable; this means that the number of individuals represented in certain arrest-related graphics may not add up to the total number of arrests.







Note: Three companies, Apple Daily Limited, Apple Daily Printing Limited, and AD Internet Limited, were charged and their properties were frozen under the collusion provision of the NSL on June 18, 2021. The Hong Kong Alliance in Support of Patriotic Democratic Movements of China was charged with inciting subversion and its assets were frozen under the NSL on September 9, 2021. Stand News was charged with publishing seditious materials and the NSD froze its assets on December 29, 2021. This database does not include corporate entities.