Shares Outstanding for Automatic Data Processing (ADP)
According to Automatic Data Processing's latest reported financial statements, the company's latest reported diluted shares outstanding is 404.70M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
Currently viewingShares OutstandingSwitch metric
Latest period
404.70M
YoY change
-0.8%
5Y CAGR
-1.1%
Peak year (2000)
646.10M
Latest annual
408.70M
Shares Outstanding history chart for Automatic Data Processing (ADP) from 1986 to 2025
Shares Outstanding history table for Automatic Data Processing (ADP) from 1986 to 2025
| Fiscal year | Period ended | Reported | Shares Outstanding | YoY |
|---|---|---|---|---|
| 2025 | 408.70M | -0.8% | ||
| 2024 | 412.20M | -0.8% | ||
| 2023 | 415.70M | -1.3% | ||
| 2022 | 421.10M | -1.6% | ||
| 2021 | 428.10M | -1.1% | ||
| 2020 | 432.70M | -1.1% | ||
| 2019 | 437.60M | -1.3% | ||
| 2018 | 443.30M | -1.6% | ||
| 2017 | 450.30M | -1.9% | ||
| 2016 | 459.10M | -3.5% | ||
| 2015 | 475.80M | -1.5% | ||
| 2014 | 483.10M | -0.8% | ||
| 2013 | 487.10M | -1.0% | ||
| 2012 | 492.20M | -1.2% | ||
| 2011 | 498.30M | -1.1% | ||
| 2010 | 503.70M | -0.4% | ||
| 2009 | 505.80M | -4.1% | ||
| 2008 | 527.20M | -5.5% | ||
| 2007 | 557.90M | -3.9% | ||
| 2006 | 580.30M | -1.6% | ||
| 2005 | 590.00M | -1.5% | ||
| 2004 | 598.70M | -1.2% | ||
| 2003 | 605.90M | -3.9% | ||
| 2002 | 630.58M | -2.4% | ||
| 2001 | 645.99M | -0.0% | ||
| 2000 | 646.10M | +1.4% | ||
| 1999 | 636.89M | +1.4% | ||
| 1998 | 628.20M | +3.6% | ||
| 1997 | 606.12M | +2.6% | ||
| 1996 | 590.52M | +3.6% | ||
| 1995 | 570.22M | +1.2% | ||
| 1994 | 563.56M | -0.4% | ||
| 1993 | 565.77M | +1.6% | ||
| 1992 | 556.96M | +0.3% | ||
| 1991 | 555.37M | -5.6% | ||
| 1990 | 588.06M | -2.8% | ||
| 1989 | 605.16M | -4.1% | ||
| 1988 | 630.74M | +0.3% | ||
| 1987 | 628.57M | +6.7% | ||
| 1986 | 588.89M | — |
Shares Outstanding values are taken from Automatic Data Processing's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
In 2025, Automatic Data Processing (ADP) diluted shares outstanding totalled 408.70M – edged down 0.8% year-over-year.
Over 2020–2025 (5 years), Automatic Data Processing diluted shares outstanding expanded at a -1.1% compound annual rate, with a net decline across the window.
Between 2000 and 2025, Automatic Data Processing diluted shares outstanding plunged 36.7%, falling from 646.10M to 408.70M.
The dataset's maximum diluted shares outstanding sits at 646.10M (2000); the minimum reading of 408.70M dates to 2025.
Automatic Data Processing (ADP) sits 7th of 8 Industrials peers we track on this metric, against a peer median of 618.15M.
Automatic Data Processing Shares Outstanding by Year
Automatic Data Processing Shares Outstanding 2025: 408.70M
Automatic Data Processing diluted shares outstanding in 2025 was 408.70M, edged down 0.8% below 2024. This figure represents the lowest annual value in the available history.
Automatic Data Processing Shares Outstanding 2024: 412.20M
Automatic Data Processing diluted shares outstanding in 2024 was 412.20M, edged down 0.8% below 2023.
Automatic Data Processing Shares Outstanding 2023: 415.70M
Automatic Data Processing diluted shares outstanding in 2023 was 415.70M, edged down 1.3% below 2022.
Automatic Data Processing Shares Outstanding 2022: 421.10M
Automatic Data Processing diluted shares outstanding in 2022 was 421.10M, edged down 1.6% below 2021.
Automatic Data Processing Shares Outstanding 2021: 428.10M
Automatic Data Processing diluted shares outstanding in 2021 was 428.10M.
See more financial history for Automatic Data Processing (ADP).
Sector peers — Shares Outstanding
Companies in the same sector as Automatic Data Processing, ranked by their latest diluted shares outstanding.
| Company | Shares Outstanding | Sector |
|---|---|---|
| RTX Corporation (RTX) | 1.36B | Industrials |
| GE Aerospace (GE) | 1.07B | Industrials |
| The Boeing Company (BA) | 762.30M | Industrials |
| Honeywell International Inc. (HON) | 642.80M | Industrials |
| Union Pacific Corporation (UNP) | 593.50M | Industrials |
| Caterpillar Inc. (CAT) | 469.00M | Industrials |
| Eaton Corporation plc (ETN) | 389.50M | Industrials |
| Deere & Company (DE) | 271.70M | Industrials |
Frequently asked questions
What is Automatic Data Processing's diluted shares outstanding?
- Latest reported diluted shares outstanding for Automatic Data Processing (ADP) is 404.70M (period ending December 31, 2025).
How has Automatic Data Processing diluted shares outstanding changed year-over-year?
- Automatic Data Processing (ADP) diluted shares outstanding changed -0.8% year-over-year on the latest annual filing.
What is the long-term growth rate of Automatic Data Processing diluted shares outstanding?
- Automatic Data Processing (ADP) diluted shares outstanding compound annual growth rate is -1.1% over the most recent 5 years available.
When did Automatic Data Processing diluted shares outstanding hit its highest annual value?
- Automatic Data Processing diluted shares outstanding reached its highest annual value of 646.10M in 2000.
What was Automatic Data Processing diluted shares outstanding in 2024?
- Automatic Data Processing (ADP) diluted shares outstanding in 2024 was 412.20M.
What was Automatic Data Processing diluted shares outstanding in 2025?
- Automatic Data Processing (ADP) diluted shares outstanding in 2025 was 408.70M.
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