[1/2] A doctor tests a child for malaria at the Ithani-Asheri Hospital in Arusha, Tanzania, May 11, 2016.
While there has been progress, there remain some gaping holes that need to be prioritised in the coming years, Access to Medicine Foundation CEO Jayasree Iyer told Reuters.
The findings mirror a long-established pattern - that the pharmaceutical industry will prioritise countries where there is a market, she said.
"If we consistently see that the industry leaves low income countries behind, then we're never going to solve the problem of access at scale," she said.
In terms of overall rankings on the Access to Medicine Index, British drugmaker GSK (GSK.L) retained the top spot, closely followed by U.S. pharma major Johnson & Johnson (J&J) (JNJ.N).