What should I have accomplished by 40?

See what remarkable builders and entrepreneurs achieved at age 40

Your Position

95th
percentile
Behind
Ahead

Notable Achievements at Age 40

John Adams

Declaration of Independence approved

Congress approved the Declaration; Adams had been a leading advocate and served on the Committee of Five.

1776
100% confidence
Source
Branden Jacobs-Jenkins

Purpose won Pulitzer Prize for Drama (2025)

Purpose was awarded the 2025 Pulitzer Prize for Drama (Branden Jacobs-Jenkins named Pulitzer winner).

2025
99% confidence
Source
Jacinda Ardern

Landslide re-election; Labour wins majority

Led Labour to a landslide victory with an overall majority of 65 seats (first single-party majority since 1996); party won ~50% of the vote.

2020
99% confidence
Source
Casey Newton

Set Platformer paid subscription price at $10/month

Platformer on Substack offered a paid tier costing USD $10 per month.

2020
99% confidence
Source
Ted Levin

Sworn into the U.S. House of Representatives

Assumed office January 3, 2019 representing California's 49th district; sworn in during the 2019 government shutdown.

2019
99% confidence
Source
Ted Levin

Elected to U.S. House (CA-49)

Won the November 6, 2018 general election for California's 49th congressional district; votes: 166,453 (56.4%).

2018
99% confidence
Source
Kumail Nanjiani

Academy Award nomination — Best Original Screenplay

Nominated (with Emily V. Gordon) for the Academy Award for Best Original Screenplay for The Big Sick (Oscars held in 2018 for 2017 films).

2018
99% confidence
Source
Jimmy Fallon

Suffered ring avulsion finger injury

Tripped and injured his finger on June 26, 2015; underwent microsurgery, spent 10 days in ICU, expected months of recovery.

2015
99% confidence
Source
Stewart Butterfield

Public release of Slack

Slack's go-to-market/public release occurred in February 2014.

2014
99% confidence
Source
Stewart Butterfield

Announced release of Slack (preview)

Announced Slack—an instant-message-based team communication tool developed inside Tiny Speck—previewed publicly in August 2013.

2013
99% confidence
Source
Jess Douglas

Turned 40

Jessica turned 40 in February 2013; in Sept 2013 she noted having won the 2012 world title and preparing for the 2013 world champs in Canberra.

2013
99% confidence
Source
Tyler Perry

Death of mother Willie Maxine Perry

His mother died at age 64 after an illness; she had been a major influence on his life and work.

2009
99% confidence
Source
Patton Oswalt

Daughter Alice born

Daughter Alice Rigney Oswalt born to Patton Oswalt and Michelle McNamara (April 15, 2009).

2009
99% confidence
Source
Wendy Kopp

Founded Teach For All (co-founder & CEO)

Co-founded Teach For All, a global network supporting independent social enterprises adapting the Teach For America model worldwide; serves as CEO.

2007
99% confidence
Source
Larry Lessig

Co-founded Creative Commons

Founded Creative Commons, a nonprofit to expand legal sharing and reuse of creative works; became a founding board member.

2001
99% confidence
Source
Christiane Amanpour

Married Phillip James 'Jamie' Rubin

Married James (Jamie) Rubin in Bracciano, Italy; Rubin is a former U.S. Assistant Secretary of State.

1998
99% confidence
Source
Clayton Christensen

Awarded DBA from Harvard Business School

Completed doctoral study in business administration (DBA).

1992
99% confidence
Source
Lech Wałęsa

Awarded Nobel Peace Prize (1983)

Received the Nobel Peace Prize for non‑violent struggle for free trade unions and human rights in Poland; wife Danuta accepted on his behalf because he feared being exiled if he traveled.

1983
99% confidence
Source
Frances Allen

Married Jacob T. Schwartz

Married mathematician and NYU CS professor Jacob T. (Jack) Schwartz (later divorced in 1982).

1972
99% confidence
Source
Lenny Bruce

Found dead — acute morphine poisoning

Found dead in his Hollywood Hills home on Aug 3, 1966; official cause 'acute morphine poisoning' (overdose).

1966
99% confidence
Source

💡 What this means for you

At age 40, you're at a pivotal point where many successful entrepreneurs made their breakthrough. Whether you're building your first company or scaling an existing one, these examples show what's possible with focus and execution.

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20 notable achievements at this age

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