How little goes to neglected diseases. Circle areas are to scale
Note: in 1975–99, 16 of 1,393 new medicines marketed worldwide (1.1%) were for tropical diseases and TB.
Sources: Ashigbie et al., Nature Reviews Drug Discovery (2025); DNDi, MMV, TB Alliance and MDGH (2026), citing Policy Cures Research and IFPMA; Trouiller et al., The Lancet (2002)
| Measure | Total | For neglected diseases |
|---|---|---|
| New medicines approved by the US FDA, 2005–24 | 763 | 15 (2.0%) |
| Private-sector health R&D spending | 100% | Just under 2% for malaria, TB, HIV and diarrhoeal diseases; 0.2% for neglected tropical diseases |
| New medicines marketed worldwide, 1975–99 | 1,393 | 16 for tropical diseases and TB (1.1%) |