NIH Appropriations

NIH funding is vital to the careers of many AAI members and the biomedical research enterprise as a whole.

The $45 billion NIH budget for fiscal year (FY) 2021 funds more than 300,000 extramural scientists at 2,500 universities, medical schools, and research institutions. Approximately 80% of the NIH budget is awarded to extramural scientists; about 10% supports the work of NIH's nearly 6,000 intramural scientists. (see:

NIH funding has a huge impact on the advancement of biomedical research and on the economy (local, state, national, and international).


President Joe Biden signed a fiscal year (FY) 2022 omnibus appropriations bill into law in March 2022 that includes full-year funding for all federal departments and agencies.

The law appropriates $45 billion, an increase of $2.25 billion (5.3%), for the NIH base budget, and includes an increase of at least 3.4% for all NIH Institutes and Centers. As always, some of the new funding is set aside for specific purposes; for FY 2022, these include:

  • a $289 million increase for research on Alzheimer’s disease and related dementias (for a total of $3.5 billion);
  • a $104 million increase for research on HIV/AIDS (for a total of $3.2 billion);
  • a $30 million increase for the Implementing a Maternal Health and Pregnancy Outcomes Vision for Everyone (IMPROVE) Initiative (for a total of $43.4 million);
  • a $25 million increase for the development of a universal influenza vaccine (for a total of $245 million);
  • a $15 million increase for research to combat antimicrobial resistance (for a total of $540 million); and,
  • a $13.4 million increase for the Institutional Development Awards (IDeA) program (for a total of $410.5 million).

The new law also includes $1 billion (available for three years) to create President Biden’s proposed Advanced Research Projects Agency for Health (ARPA-H).

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