Projection of global Rx revenue share of orphan drugs 2010-2024
In 2010, orphan drugs generated 10.5 percent of total global Rx drug revenues. This share is expected to increase to over 20 percent by 2024. This statistic shows the worldwide share of prescription orphan drugs as a percentage of the total global prescription drugs market from 2010 to 2024. Orphan drugs are used to target rare diseases or disorders, which in the United States is defined as less than 200,000 patients. The development of orphan drugs are currently incentivized in the United States through the Orphan Drug Act of 1983.