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Research Project Grants (RPGs)

In fiscal year 2023, 1,369 competing RPGs were funded. Over 69.1% of competing dollars supported grants awarded within the established payline and requests for applications (RFAs) and the remainder supported grants as an exception to the fundable range. RFA funds accounted for 10.3% of the fiscal year 2023 competing dollars.

Number of RPG Awards

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Includes Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) awards. Fiscal years 2020-2023 includes Cancer Moonshot funding.

RPGs Summary, Fiscal Years 2022-2023

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RPG Awards Funded
(Dollars in Thousands)
RPG Awards Funded 2022 No. or % 2022 Amount 2023 No. or % 2023 Amount
Total Funding for RPGs 5,497 $2,966,486 5,736 $3,145,237
SBIR/STTR 207 $151,396 228 $175,373
Funding for RPGs without SBIR/STTR Program 5,290 $2,815,090 5,508 $2,969,864
Continuation or Noncompeting Grants Funded 3,933 $2,013,233 4,139 $2,125,093
Competing Grants Funded 1,357 $665,061 1,369 $697,786
Administrative Supplements 325 $34,325 354 $39,659
Partial Assessment for DHHS Program Evaluation   $102,471   $107,326
Funds Set Aside Within Competing Dollars
(Dollars in Thousands)
Grant Category R01 or Share 2022 No. or % 2022 Amount 2023 No. or % 2023 Amount
Grants within Paylines   992 $430,938 1,018 $481,920
Traditional R01 710 $371,261 776 $428,468
RFA Grants   139 $82,897 115 $71,919
Share of Competing Grant Funds 12.5%   10.3%  
Exception Grants   365 $234,123 351 $215,866
Share of Competing Grant Funds 35.2%   30.9%  
Competing RPGs
Statistical Measure 2022 2023
*Excludes SBIR/STTR
Includes fiscal year 2023 Cancer Moonshot funding. Includes fiscal years 2022 through 2017 Moonshot carryover obligations.
Traditional R01 line (includes Trad R01 and converted R37)
Total Competing Application Requests* 8,932 8,618
Funding Success Rate 15% 16%
Percentile Funding for R01 Grants 16th 17th
Average Cost-Competing $490 $510
Average Reduction from Recommended/Requested Levels -14% -14%

RPGs Funding Mechanisms

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The "Other" category includes DP1, DP2, DP5, R00, R37, U01, U19,UH2, UH3, UG3, UA5, R50, UM1, R15, R55, R56 and R61 activities.

Grant Funding Paylines
RPG Mechanism 2022 2023 Description
*SPL = Scientific Program Leaders (NCI)
R01 Traditional Grants 11th & 16th 12th & 17th Percentile
P01 Program Projects 17% Reduction 17% Reduction SPL Selected*
R03 Small Grants 25 25 Impact Score
R15 Academic Research 25 25 Impact Score
R21 Exploratory Phase I 9th 9th Percentile
R33 Exploratory Phase II N/A N/A SPL Selected*
R41/R42 STTR 24 26 Impact Score
R43/R44 SBIR 24 27 Impact Score

RPGs Requested and Awarded

The following table displays requested and awarded RPGs and the success rate for fiscal years 2022 and 2023. These numbers include Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) awards. The Download the Data link contains data for the prior ten years.

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RPGs Requested, Awarded, and Success Rate
(Dollars in Thousands)
Fiscal Year Type Number Requested Amount Requested Number Awarded Amount Awarded Success Rate
Includes Small Business Innovation Research and Small Business Technology Transfer Awards.
Fiscal years 2023 through 2020 figures includes Cancer Moonshot funding data.
Success rate is the number of awarded grants divided by the number of awards requested.
Includes fiscal year 2023 Cancer Moonshot funding. Includes fiscal years 2022 through 2017 Moonshot carryover obligations.
2022 Competing New 9,580 $4,902,539 1,324 $635,623 14.8%
Competing Renewal 431 $335,464 154 $107,730
Competing Supplement 28 $8,867 12 $3,363
Competing Subtotal 10,039 $5,246,870 1,490 $746,715
Non- Competing     4,007 $2,219,770
FY 2022 RPG Total     5,497 $2,966,486
2023 Competing New 9,302 $4,888,297,784 1,319 $653,918 15.4%
Competing Renewal 427 $341,237,643 179 $130,281
Competing Supplement     0 $0
Competing Subtotal 9,729 $5,229,535,427 1,498 $784,199
Non- Competing     4,238 $2,253,712
FY 2023 RPG Total     5,736 $3,037,911

RPG Awards by Grant Activity Codes

This table displays awarded research project grants (RPG) data by grant activity code and count. Please visit NIH Activity Codes for more information on the descriptions.

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RPGs Average Cost, Fiscal Years 2013-2023
(Dollars in Thousands)
Year Total No. Awarded Total Amount Average Cost
*From fiscal year 2017 onward, RFAs will be accounted for in the actual grant mechanism categories under which they fall.
*Fiscal years 2023 through 2017 includes Cancer Moonshot funding appropriated that fiscal year and excludes all carryover obligations for fiscal years 2022 through 2018.
**Fiscal year 2021 includes multi-year funded grants with a 1 year average cost estimation.
2013 4,816 $1,924,803 $400
2014 4,814 $1,939,623 $403
2015 4,767 $2,019,308 $424
2016 4,666 $2,068,869 $443
*2017 4,663 $2,195,184 $471
*2018 4,780 $2,366,530 $495
*2019 4,984 $2,456,156 $493
*2020 5,070 $2,677,206 $528
**2021 5,221 $2,739,345 $525
*2022 5,497 $2,864,015 $521
*2023 5,736 $3,037,911 $530
RPG Awards by Grant Activity Codes, Fiscal Years 2022-2023
(Dollars in Thousands)
Grant Code 2022 Number 2022 Amount 2023 Number 2023 Amount
RPG Activity Codes with a "0" count displayed for No. are grants where NCI did not take the grant award count for the funding since NCI was not the Primary IC funding the award.
*From fiscal year 2017 onward, RFAs will be accounted for in the actual grant mechanism categories under which they fall.
*Fiscal years 2023 through 2017 includes Cancer Moonshot funding appropriated that fiscal year and excludes all carryover obligations for fiscal years 2022 through 2018.
**Fiscal year 2021 includes multi-year funded grants with a 1 year average cost estimation.
R01 3,584 $1,737,550 3,725 $1,864,401
DP1 0 $0 0 $0
DP2 0 $526 0 $356
DP5 0 $0 0 $0
P01 99 $200,007 96 $197,631
R00 93 $22,788 104 $25,555
R37 277 $128,583 343 $164,733
U01 325 $239,325 321 $236,674
U19 7 $12,400 7 $12,552
U34     1 $284
UH2 10 $2,117 5 $1,057
R34     3 $881
R35 152 $146,781 133 $127,082
R50 72 $12,716 94 $16,474
UH3 26 $16,703 30 $24,463
UA5 0 $0 0 $0
UM1 14 $52,568 21 $53,731
UG3 10 $9,020 3 $4,126
R03 115 $9,244 108 $9,508
R21 445 $97,456 433 $93,605
R33 33 $12,809 43 $16,046
R15 24 $10,620 20 $9,050
R55 0 $0 0 $0
R56 4 $969 5 $1,220
R61 1 $437 13 $3,108
RC2 0 $0 0 $0
SBIR/STTR 207 $151,386 228 $175,373
Total 5,497 $2,864,015 5,736 $3,037,911
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