AT&T Inc.
Market Cap
$159.8B
Global Rank
#95
All-Time High
$168.8B
2025-12-31
Total Growth
+0%
since 2026
About AT&T Inc.
AT&T Inc. (T) is a United States-based company in the Telecom Services industry, part of the Communication Services sector. With a current market capitalization of $159.8B, it is ranked #95 among the world's largest companies. Its market cap peaked at $168.8B and reached as high as rank #86 in 2025.
AT&T Inc. Market Cap History (2026–2026)
Compare AT&T Inc.
Ranking History
| Year | Market Cap | Rank | YoY Change |
|---|---|---|---|
| 2026 | $159.8B | #95(↓9) | -5.3% |
| 2025 | $168.8B | #86 | +14.0% |
| 2024 | $148.1B | #86(↑23) | +44.1% |
| 2023 | $102.8B | #109(↓24) | -2.7% |
| 2022 | $105.7B | #85(↑16) | +6.5% |
| 2021 | $99.3B | #101(↓24) | -5.9% |
| 2020 | $105.5B | #77(↓30) | -19.6% |
| 2019 | $131.3B | #47(↑8) | +48.5% |
| 2018 | $88.4B | #55(↓13) | -20.8% |
| 2017 | $111.6B | #42(↓13) | -2.5% |
| 2016 | $114.4B | #29(↑8) | +32.0% |
| 2015 | $86.7B | #37(↑6) | +10.3% |
| 2014 | $78.6B | #43(↓5) | +2.4% |
| 2013 | $76.7B | #38(↓7) | +11.6% |
| 2012 | $68.8B | #31(↓2) | +19.5% |
| 2011 | $57.6B | #29(↑5) | +11.1% |
| 2010 | $51.8B | #34(↑4) | +13.9% |
| 2009 | $45.5B | #38(↓14) | +6.8% |
| 2008 | $42.6B | #24(↑6) | -26.9% |
| 2007 | $58.2B | #30(↑4) | +22.1% |
| 2006 | $47.7B | #34(↑13) | +55.6% |
| 2005 | $30.7B | #47(↓8) | +2.0% |
| 2004 | $30.1B | #39(↓2) | +5.4% |
| 2003 | $28.5B | #37(↓5) | +3.6% |
| 2002 | $27.5B | #32(↓4) | -27.5% |
| 2001 | $38.0B | #28(↑1) | -15.5% |
| 2000 | $44.9B | #29(↓2) | +0.8% |
| 1999 | $44.6B | #27(↓9) | -6.8% |
| 1998 | $47.8B | #18(↑3) | +50.8% |
| 1997 | $31.7B | #21(↑2) | +47.0% |
| 1996 | $21.6B | #23(↓10) | -5.3% |
| 1995 | $22.8B | #13(↑3) | +48.8% |
| 1994 | $15.3B | #16 |
Other Communication Services Companies
FAQ
What is AT&T Inc.'s market cap?
AT&T Inc. (T) has a market capitalization of $159.8B, making it the #95 largest company in the world by market cap.
What was AT&T Inc.'s highest market cap?
AT&T Inc.'s all-time high market cap was $168.8B, reached in 2025-12-31. Its highest rank was #86 in 2025.
What sector is AT&T Inc. in?
AT&T Inc. is in the Communication Services sector, specifically the Telecom Services industry. It is based in United States.
How has AT&T Inc.'s market cap changed over time?
AT&T Inc. has been tracked since 2026. Its market cap has grown by 0% from $159.8B in 2026 to $159.8B today.