Serena Williams is 44 years old in 2026. Serena Williams is the most decorated tennis player in the Open Era with 23 Grand Slam singles titles. She retired from professional tennis in September 2022 to focus on family and her venture capital fund, Serena Ventures. At 44, she runs Serena Ventures — which has invested in over 60 companies including MasterClass, Nerdio, and Impossible Foods — and continues to build her fashion and beauty brands. She is widely regarded as the greatest female athlete of all time.
Serena Williams at a Glance: Quick Facts
| Detail | Info |
| Full Name | Serena Williams |
| Date of Birth | September 26, 1981 |
| Age in 2026 | 44 |
| Birthplace | Saginaw, Michigan, USA |
| Known For | 23× Grand Slam Champion · Serena Ventures · Fashion Line |
| Net Worth | ~$300M |
| Zodiac Sign | Libra |
| Generation | Millennial |
Serena Williams's Age at Every Major Milestone
| Age | Year | Milestone |
| 17 | 1999 | Won her first Grand Slam singles title at the US Open |
| 21 | 2002 | Won four consecutive Grand Slams — known as the 'Serena Slam' |
| 33 | 2015 | Completed a second non-calendar 'Serena Slam'; world number 1 for fifth time |
| 35 | 2017 | Won the Australian Open while eight weeks pregnant; last Grand Slam title |
| 40 | 2022 | Retired from professional tennis at the US Open; pivoted to Serena Ventures |
| 44 | 2025 | Serena Ventures portfolio exceeded $100M AUM; more than 60 companies backed |
How Old Is Serena Williams's Family in 2026?
Here is how Serena Williams's age compares to key members of their family as of July 2026:
| Relation | Name | Age in 2026 | Age Gap |
| Husband | Alexis Ohanian | 43 | Serena Williams is 1 yrs younger |
| Daughter | Alexis Olympia Ohanian Jr. | 8 | Serena Williams is 36 yrs younger |
| Daughter | Adira River Ohanian | 2 | Serena Williams is 42 yrs younger |
Frequently Asked Questions
Q: How old is Serena Williams in 2026?
A: Serena Williams is 44 years old in 2026. She was born on September 26, 1981, in Saginaw, Michigan.
Q: How many Grand Slams has Serena Williams won?
A: Serena Williams won 23 Grand Slam singles titles — the most in the Open Era of professional tennis.
Q: Is Serena Williams still playing tennis in 2026?
A: No. Serena Williams retired from professional tennis in September 2022 at the US Open, announcing she was 'evolving away' from tennis to focus on family and her Serena Ventures investment fund.
Q: What is Serena Ventures?
A: Serena Ventures is a venture capital fund founded by Serena Williams in 2014 and formalised in 2022. It focuses on early-stage investments, with an emphasis on founders from underrepresented groups.