This government site has statistical tables for 1991-2017. These tables contain data on current death row prisoners, and those executed during the calendar year. It includes both state and Federal prisoners.
NCST is a national organization that works to "support, defend, and strengthen state legislatures." They provide resources on topics such as Education, Health, and Civil and Criminal Justice. Their Capital Punishment resources include links to important cases, statutes, and methods of execution.
Here you can find information on the ACLU Capital Punishment Project. On the Home Page is a box that says "Search Capital Punishment". If you click on "All Capital Punishment" links to all their materials appear. You can filter this list by Issue, Date, and/or Content Type.
Provides quick access to data on the practices and laws of individual countries. Includes data on death penalty laws and practices around the world, thematic reports and manuals on issues of practical relevance designed to assist lawyers, government actors, courts, and civil society in navigating death penalty advocacy and research, and trains lawyers in best practices.
Users can search across jurisdictions to compare state practice in a wide variety of areas and to confront those practices with international human rights standards. The advanced search capabilities, unique among human rights databases, allow users to combine different variables and find answers in a matter of seconds.