The global pharmaceutical market was estimated at USD 1.11 trillion in 2017 and projected to reach USD 1.43 trillion by 2020. In 2017, North America, Asia Pacific and Western Europe pharmaceutical market approximately accounted for 37%, 22% and 20% global market share respectively. 

In 2017, top-10 global pharmaceutical companies generated sales of USD 437.257 billion accounting for roughly 40% global market share and top-15 global pharmaceutical companies generated sales of USD 568.617 billion accounting for 51% global market share. A comparative analysis of the top-15 organizations was used to develop a ranking for these companies.