This past weekend, leaders of the world’s major economies gathered in Hamburg, Germany, for this year’s G20 Summit. Among the issues on the agenda: safeguarding against health crises and strengthening health systems.

Global health research and development has a multiplier effect. It not only saves and improves lives, but also creates cost savings, drives economic growth and enhances global security.

While investments in biomedical R&D have led to tremendous scientific breakthroughs and health improvements in the modern era, the benefits have been shared unevenly.

An estimated two billion people lack the medicines they need. The 2016 Access to Medicines Index analyzes pharmaceutical companies’ efforts to improve access to medicines, vaccines and diagnostics for low- and middle-income countries.