Category: Healthcare industry

With 2024 sales of nearly $29.5 billion, Merck's cancer immunotherapy drug Keytruda has solidified its market dominance [1.3.3]. So, what is the world's best selling drug and how does it compare to its closest competitors in the dynamic pharmaceutical landscape?

With sales reaching nearly $29.5 billion in 2024, Merck's cancer therapy Keytruda has affirmed its position as the top-selling drug globally [1.2.1, 1.2.2]. This article answers the question: **What is the most selling drug in the world?** and examines the forces driving its success.

In 2023, global pharmaceutical sales reached $60.12 billion for just one company, Merck [1.4.2]. Within this massive industry, what is the most sold drug? The answer depends on whether it's measured by global revenue or the number of prescriptions filled.