10. COVID-19 Government Response Tracker (University of Oxford - Blavatnik School of Government) Bookmark Format Series - ongoing
15. Denmark Monitoring Smoking Habits in the Danish Population (2003+) Bookmark Format Series - ongoing
16. Denmark Monitoring Smoking Habits in the Danish Population (2003+) Bookmark Format Series - ongoing
26. Expanded Corporate Takeover Defenses & Directors' Database (ISS Riskmetrics) Bookmark Format Series - ongoing
32. Global Burden of Disease Study 2020, Release 1 (GBD 2020 R1) Routine Childhood Vaccination Coverage 1980-2019 Bookmark Format Series - ongoing
36. Governments' Economic Responses to COVID-19 (Econ-Response2covid19) Bookmark Format Series - ongoing
37. Health Behavior in School-aged Children (HBSC) Series (1995-1998, 2001-2002, 2005-2006, 2009-2010) Bookmark Format Series - ongoing
40. Imperial College London YouGov Covid 19 Behaviour Tracker Data Hub Bookmark Format Series - ongoing
51. Measurement of Cross-cutting Cleavages and Other Multidimensional Cleavage Structures Bookmark Format Series - ongoing
54. Polity V: Political Regime Characteristics and Transitions, 1800-2018 Bookmark Format Series - ongoing
62. Trends in International Mathematics and Science Study (TIMSS) (1995+) Bookmark Format Series - ongoing
64. United Nations Surveys of Crime Trends and Operations of Criminal Justice Systems (1970+) Bookmark Format Series - ongoing