Back to People
Margaret Thatcher

Margaret Thatcher

Born 1925 · Age 100

British stateswoman; Leader of the Conservative Party (1975–1990) and Prime Minister of the United Kingdom (1979–1990). First woman to hold the office. Architect of 'Thatcherism'.

Total Events
62
Career Span
88 years
Peak Net Worth
$25,000,000

Compare Your Trajectory

See how your career milestones stack up against Margaret Thatcher and other industry leaders.

Life & Career Timeline

1925Age 0

Born in Grantham, Lincolnshire

Margaret Hilda Roberts born to Alfred Roberts and Beatrice Ethel Stephenson in Grantham.

10/13/1925Source
Confidence
99%
1938Age 13

Family shelters Jewish refugee

Roberts family briefly gave sanctuary to a teenage Jewish girl who escaped Nazi Germany; Margaret and sister Muriel helped with funds.

1/1/1938Source
Confidence
85%
1942Age 16

Head girl at Kesteven and Grantham Girls' School

Served as head girl (1942–43); active in piano, hockey and other extracurriculars.

1/1/1942Source
Confidence
95%
1943Age 18

Matriculated at Somerville College, Oxford (Chemistry)

Entered Somerville College, Oxford to study chemistry under Dorothy Hodgkin; later undertook classified honours with supervised research.

10/1/1943Source
Confidence
98%
1946Age 21

President, Oxford University Conservative Association

Elected president of the student Conservative association, early political leadership role.

1/1/1946Source
Confidence
95%
1947Age 22

Graduated BA (Chemistry), Somerville College, Oxford

Graduated with a second-class honours degree in chemistry (BA, later MA conferred in 1950).

1/1/1947Source
Confidence
99%
1947Age 22

Joined British Xylonite (BX Plastics) as research chemist

First post-university role as a research chemist; moved to Colchester.

1/1/1947Net Worth: $100Source
Confidence
40%
1948Age 23

Rejected by Imperial Chemical Industries (ICI)

Applied for a job at ICI but rejected by personnel as 'headstrong, obstinate and dangerously self-opinionated'.

1/1/1948Net Worth: $200Source
Confidence
40%
1949Age 24

Met Denis Thatcher

Met Denis Thatcher at a dinner after adoption as Dartford candidate; he later supported her studies.

1/1/1949Net Worth: $2,000Source
Confidence
30%
1949Age 24

Selected as Conservative candidate for Dartford

Local Conservative association asked her to apply; selected in January 1950 campaign preparations after being added to approved list.

1/1/1949Net Worth: $500Source
Confidence
60%
1950Age 24

Contested Dartford in 1950 general election (lost)

Youngest and only female Conservative candidate nationally in 1950; reduced Labour majority substantially but lost to Norman Dodds.

1/1/1950Net Worth: $3,000Source
Confidence
60%
1951Age 25

Published sole scientific paper

Co-authored 'The saponification of α-monostearin in a monolayer' in Journal of the Science of Food and Agriculture (September 1951).

9/1/1951Net Worth: $60,000Source
Confidence
90%
1951Age 26

Married Denis Thatcher

Married Denis Thatcher (a divorcé and successful businessman) at Wesley's Chapel; marriage provided financial security and partnership.

12/1/1951Net Worth: $50,000Source
Confidence
30%
1953Age 27

Qualified as a barrister (called to the bar)

Completed legal training at the Inns of Court School of Law and qualified as a barrister, specializing in tax law.

1/1/1953Net Worth: $80,000Source
Confidence
60%
1953Age 27

Birth of twins Mark and Carol Thatcher

Gave birth to twins (prematurely, by Caesarean section).

1/1/1953Net Worth: $90,000Source
Confidence
95%
1959Age 34

Elected Member of Parliament for Finchley

Won the safe Conservative seat of Finchley and entered the House of Commons.

10/8/1959Net Worth: $100,000Source
Confidence
99%
1960Age 35

Public Bodies (Admission to Meetings) Act 1960 (private member's bill)

Used lucky ballot to introduce a private member's bill which became law, requiring local authority meetings to be held in public.

1/1/1960Net Worth: $110,000Source
Confidence
95%
1961Age 36

Appointed Parliamentary Secretary to Ministry for Pensions

Promoted to frontbench by Prime Minister Harold Macmillan; youngest woman to receive such a post at the time.

10/1/1961Net Worth: $120,000Source
Confidence
95%
1967Age 42

Selected for International Visitor Leadership Program (IVLP) / Entered Shadow Cabinet

Attended a six-week US exchange (IVLP) and was appointed to the Conservative Shadow Cabinet as fuel and power spokeswoman.

1/1/1967Net Worth: $150,000Source
Confidence
90%
1969Age 44

First visit to the Soviet Union

Visited USSR as Opposition transport spokeswoman, gaining experience in foreign affairs.

1/1/1969Net Worth: $160,000Source
Confidence
80%
1970Age 44

Appointed Secretary of State for Education and Science

Entered Edward Heath's Cabinet following 1970 Conservative election victory; served 20 June 1970 – 4 March 1974.

6/20/1970Net Worth: $200,000Source
Confidence
98%
1971Age 45

Abolition of free school milk for ages 7–11

Withdrew free milk for older primary pupils, a controversial policy that led to the 'milk snatcher' label.

1/1/1971Net Worth: $210,000Source
Confidence
90%
1974Age 48

Conservatives lose 1974 elections; leaves Cabinet

Following Heath government's defeat in February and October 1974, Thatcher returned to Opposition frontbench roles.

1/1/1974Net Worth: $220,000Source
Confidence
95%
1975Age 49

Elected Leader of the Conservative Party

Defeated Edward Heath to become the first woman to lead a major UK political party (11 Feb 1975).

2/11/1975Net Worth: $300,000Source
Confidence
99%
1976Age 50

'Iron Lady' nickname coined

A Soviet journalist dubbed her the 'Iron Lady' after a speech condemning Soviet communism; the moniker became iconic.

1/1/1976Net Worth: $320,000Source
Confidence
95%
1979Age 53

Became Prime Minister of the UK

Following Conservative victory, sworn in as Prime Minister on 4 May 1979 — first woman to hold the office.

5/4/1979Net Worth: $2,000,000Source
Confidence
25%
1980Age 54

Housing Act 1980 (Right to Buy) enacted

Introduced the Right to Buy scheme allowing council house tenants to purchase homes; major social policy and privatisation milestone.

1/1/1980Net Worth: $2,200,000Source
Confidence
60%
1980Age 54

Early trade-union reforms enacted

Series of laws passed to curb union power (e.g., banning closed shops, requiring ballots before strike action).

1/1/1980Net Worth: $2,300,000Source
Confidence
70%
1980Age 54

Declared 'Victorian values' (rhetorical milestone)

Used phrase 'Victorian values' (1981 speech referenced in sources as 1981) as rhetorical underpinning for social policy.

1/1/1980Net Worth: $2,300,000Source
Confidence
70%
1982Age 56

Argentina invades the Falkland Islands

Argentine invasion triggered the Falklands War; Thatcher ordered dispatch of a Task Force.

4/2/1982Net Worth: $2,400,000Source
Confidence
98%
1982Age 56

Falklands War victory (Port Stanley recaptured)

British forces recaptured Port Stanley; Argentina surrendered (14 June 1982). Boosted Thatcher's popularity ahead of 1983 election.

6/14/1982Net Worth: $2,600,000Source
Confidence
95%
1983Age 57

Landslide re-election (1983 general election)

Won a second term with a parliamentary majority of 144 seats (June 1983), aided by Falklands victory and Labour divisions.

6/9/1983Net Worth: $3,000,000Source
Confidence
95%
1984Age 58

National Union of Mineworkers strike begins

Nationwide miners' strike (1984–85) began in response to proposed pit closures; government ultimately prevailed.

3/6/1984Net Worth: $3,100,000Source
Confidence
90%
1984Age 59

Survived Brighton hotel bombing (IRA assassination attempt)

Provisional IRA bombed Grand Hotel during Conservative Party conference; Thatcher escaped unhurt; five killed.

10/12/1984Net Worth: $3,200,000Source
Confidence
98%
1985Age 59

Anglo-Irish Agreement signed

Agreement with Republic of Ireland (November 1985) to improve co-operation and security on Northern Ireland issues.

1/1/1985Net Worth: $3,400,000Source
Confidence
90%
1986Age 60

Big Bang: Deregulation of UK financial markets

Oversaw October 1986 deregulation of London financial markets (the 'Big Bang'), catalysing financial services boom.

1/1/1986Net Worth: $5,000,000Source
Confidence
85%
1986Age 60

Westland affair and Michael Heseltine resignation

Government controversy over Westland helicopter company culminated in resignations (Michael Heseltine resigned Jan 1986); strained leadership.

1/1/1986Net Worth: $5,100,000Source
Confidence
85%
1987Age 61

Re-elected for a third term (1987)

Won a third consecutive general election with a majority of 101 seats (11 June 1987).

6/11/1987Net Worth: $7,000,000Source
Confidence
90%
1988Age 62

Bruges speech launching Eurosceptic stance

Delivered Bruges speech (September 1988) criticizing federalist tendencies in Europe and signalling growing cabinet divisions.

1/1/1988Net Worth: $7,200,000Source
Confidence
90%
1989Age 64

Nigel Lawson resigns as Chancellor (currency management dispute)

Chancellor Nigel Lawson resigned (Oct 1989) amid disputes over ERM and currency policy; highlighted Euro tensions in government.

1/1/1989Net Worth: $7,500,000Source
Confidence
80%
1990Age 64

Community Charge (poll tax) introduced

Introduced the unpopular Community Charge on 1 April 1990; sparked national protests and riots damaging political standing.

4/1/1990Net Worth: $7,600,000Source
Confidence
90%
1990Age 65

Geoffrey Howe resigns over Europe

Foreign Secretary Sir Geoffrey Howe resigned 1 Nov 1990 in protest over Thatcher's European stance; resignation speech precipitated leadership challenge.

11/1/1990Net Worth: $7,900,000Source
Confidence
90%
1990Age 65

Announced resignation as Conservative leader (and PM)

Following internal party rebellion and a leadership contest, she announced her intention to step down on 22 Nov 1990.

11/22/1990Net Worth: $10,000,000Source
Confidence
40%
1990Age 65

Left 10 Downing Street (resignation as Prime Minister)

Formally resigned and was succeeded by John Major on 28 November 1990.

11/28/1990Net Worth: $10,500,000Source
Confidence
40%
1992Age 66

Retired from House of Commons (MP for Finchley leaves Commons)

Left the Commons on 16 March 1992 after over three decades as Finchley's MP (1959–1992).

3/16/1992Net Worth: $11,000,000Source
Confidence
50%
1992Age 66

Created Life Peer as Baroness Thatcher

Given a life peerage as Baroness Thatcher of Kesteven on 30 June 1992, entitling her to sit in House of Lords.

6/30/1992Net Worth: $11,500,000Source
Confidence
60%
1993Age 68

Published The Downing Street Years

First volume of memoirs, covering her premiership; a best-seller and significant source of post-office income.

1/1/1993Net Worth: $14,000,000Source
Confidence
50%
1995Age 70

Published The Path to Power

Second memoir volume (1995) and continued to earn income from book sales, speaking and consultancy.

1/1/1995Net Worth: $16,000,000Source
Confidence
50%
1995Age 70

Appointed Lady Companion of the Order of the Garter

Received the Order of the Garter in 1995, the highest order of chivalry in the UK.

1/1/1995Net Worth: $16,500,000Source
Confidence
90%
1999Age 74

Delivered inaugural Thatcher Lecture (English-Speaking Union)

Delivered 'The Language of Liberty' as inaugural speaker for the Thatcher Lecture Series in New York (7 Dec 1999).

12/7/1999Net Worth: $17,000,000Source
Confidence
60%
2002Age 77

Published Statecraft

Published a book on international relations (2002), continuing to influence debate and earn royalties.

1/1/2002Net Worth: $18,500,000Source
Confidence
60%
2002Age 76

Retired from public speaking due to health (series of minor strokes)

Doctors advised Thatcher to stop public speaking after suffering several minor strokes; announced retirement from public speaking in March 2002.

3/22/2002Net Worth: $18,000,000Source
Confidence
60%
2003Age 77

Death of husband Denis Thatcher

Denis Thatcher died aged 88 on 26 June 2003; his estate and their joint assets affected Margaret's financial position.

6/26/2003Net Worth: $20,000,000Source
Confidence
30%
2005Age 80

80th birthday celebration with Queen and senior figures

Marked her 80th birthday at a party attended by the Queen and Prince Philip and many dignitaries (13 Oct 2005).

10/13/2005Net Worth: $21,000,000Source
Confidence
50%
2008Age 82

Hospitalised after becoming ill at House of Lords dinner

Admitted to hospital 7 March 2008 after falling ill; released the next day.

3/7/2008Net Worth: $21,500,000Source
Confidence
60%
2009Age 83

Suffered broken arm from a fall

Suffered a broken arm in a fall on 12 June 2009 and underwent surgery.

6/12/2009Net Worth: $21,500,000Source
Confidence
60%
2009Age 84

Returned to Downing Street for portrait unveiling

Visited No. 10 Downing Street for the official unveiling of her portrait on 23 November 2009.

11/23/2009Net Worth: $22,000,000Source
Confidence
60%
2010Age 84

Met Prime Minister David Cameron at Downing Street

David Cameron invited Thatcher to Downing Street for a private meeting (8 June 2010).

6/8/2010Net Worth: $22,500,000Source
Confidence
60%
2011Age 85

Film 'The Iron Lady' released (portrayal boosts legacy)

Biopic starring Meryl Streep premiered (2011/early 2012 release), renewing public debate about her legacy.

1/1/2011Net Worth: $23,000,000Source
Confidence
70%
2012Age 86

Featured in major film release (US release date)

US release of The Iron Lady (6 Jan 2012) starring Meryl Streep, receiving awards and media attention.

1/6/2012Net Worth: $23,000,000Source
Confidence
70%
2013Age 87

Died after suffering a stroke at the Ritz Hotel, London

Died on 8 April 2013 aged 87; received a ceremonial funeral with full military honours at St Paul's Cathedral nine days later.

4/8/2013Net Worth: $25,000,000Source
Confidence
25%
2013Age 87

Ceremonial funeral at St Paul's Cathedral

State/ceremonial funeral with full military honours and national attention held nine days after her death.

4/17/2013Net Worth: $25,000,000Source
Confidence
90%

Similar Trajectories

George Soros

Born 1930 · Age 95

Hungarian‑American investor, hedge‑fund manager and philanthropist; founder of Soros Fund Management/Quantum Fund and the Open Society Foundations; known for 1992 short of the pound and extensive political/philanthropic giving.

View Timeline →

Youyou Tu

Born 1930 · Age 95

Chinese pharmaceutical chemist and malariologist who discovered artemisinin and dihydroartemisinin; Nobel Prize laureate in Physiology or Medicine (2015).

View Timeline →

Edsger W. Dijkstra

Born 1930 · Age 95

Dutch computer scientist and mathematician; pioneer of structured programming, concurrency, and algorithm theory; author of Dijkstra's shortest-path algorithm, semaphore concept, THE operating system, and many seminal essays (EWDs).

View Timeline →

Warren Buffett

Born 1930 · Age 95

American investor and philanthropist; longtime chairman & CEO of Berkshire Hathaway, famed value investor and founder of the Giving Pledge.

View Timeline →

Sandra Day O'Connor

Born 1930 · Age 95

American attorney, politician, and jurist; first woman to serve as an Associate Justice of the U.S. Supreme Court (1981–2006); Arizona legislator and judge; founder of civic education initiatives including iCivics and the Sandra Day O'Connor Institute.

View Timeline →

Richard Harris

Born 1930 · Age 95

Irish actor and singer known for This Sporting Life, Camelot, The Field, Gladiator, and as Albus Dumbledore in the first two Harry Potter films. Also had a recording career (notably 'MacArthur Park') and a reputation for a hedonistic lifestyle turned later-life sobriety.

View Timeline →