The Council for Responsible Genetics has published a guide to the world’s DNA databases. According to the guide, 56 countries (and in the U.S., all 50 states) maintain DNA databases.
CRG describes itself as a "catalyst and thought leader in the movement to steer biotechnology toward the advancement of public health, environmental protection, equal justice and respect for human rights." Although CRG has its own unique perspective on whether DNA databases should exist and how they should be used, its guide may nevertheless prove to be a useful resource.
In the late 1990s, I worked on two amicus briefs with CRG, challenging aspects of the Department of Defense DNA database and the Commonwealth of Massachusetts’ DNA database statute: