1. Liaquat Ali Khan (1896 – 1951)
In Office: 14 August 1947 – 16 October 1951
Status: Elected democratically
Political Party: Muslim League
Total Duration: 4 Years, 2 Months, 2 Days
2. Sir Khawaja Nazimuddin (1894 – 1964)
In Office: 17 October 1951 – 17 April 1953
Status: Elected democratically
Political Party: Muslim League
Total Duration: 2 Years exactly
3. Muhammad Ali Bogra (1909 – 1963)
In Office: 17 April 1953 – 12 August 1955
Status: Elected democratically
Political Party: Muslim League
Total Duration: 2 Years, 2 Months, 26 Days
4. Chaudhry Muhammad Ali (1905 – 1980)
In Office: 12 August 1955 – 12 September 1956
Status: Elected democratically
Political Party: Muslim League
Total Duration: 1 Year, 1 Month exactly
5. Huseyn Shaheed Suhrawardy (1892 – 1963)
In Office: 12 September 1956 – 17 October 1957
Status: Elected democractically
Political Party: Awami League
Total Duration: 1 Year, 1 Month, 5 Days
6. Ibrahim Ismail Chundrigar (1898 – 1968)
In Office: 17 October 1957 – 16 December 1957
Status: Elected democratically
Political Party: Muslim League
Total Duration: 1 Month, 29 Days
7. Sir Feroz Khan Noon (1893 – 1970)
In Office: 16 December 1957 – 7 October 1958
Status: Elected democratically
Political Party: Republican Party
Total Duration: 9 Months, 21 Days
Post Abolished: 7 October 1958 – 7 December 1971
Total Duration of Abolishment: 13 Years, 2 Months exactly
8. Nurul Amin (1893 – 1974)
In Office: 7 December 1971 – 20 December 1971
Status: Elected democratically
Political Party: Pakistan Muslim League
Total Duration: 13 Days Only
Post Abolished: 20 December 1971 – 14 August 1973
Total Duration of Abolishment: 1 Year, 7 Months, 25 Days
9. Zulfikar Ali Bhutto (1928 – 1979)
In Office: 14 August 1973 – 5 July 1977
Status: Elected democratically
Political Party: Pakistan Peoples Party
Total Duration: 3 Years, 10 Months, 21 Days
Post Abolished: 5 July 1977 – 24 March 1985
Total Duration of Abolishment: 7 Years, 8 Months, 19 Days
10. Muhammad Khan Junejo (1932 – 1993)
In Office: 24 March 1985 – 29 May 1988
Status: Elected democratically
Political Party: Independent; Pakistan Muslim League
Total Duration: 3 Years, 2 Months, 5 Days
Post Abolished: 29 May 1988 – 2 December 1988
Total Duration of Abolishment: 6 Months, 3 Days
11. Benazir Bhutto (1953 – 2007)
In Office: 2 December 1988 – 6 August 1990
Status: Elected democratically
Political Party: Pakistan Peoples Party
Total Duration: 1 Year, 8 Months, 4 Days
- Ghulam Mustafa Jatoi (1931 – 2009)
In Office: 6 August 1990 – 6 November 1990
Status: Caretaker/Acting
Political Party: None
Total Duration: 3 Months exactly
12. Nawaz Sharif (Born 1949)
In Office: 6 November 1990 – 18 April 1993
Status: Elected democratically
Political Party: Pakistan Muslim League (N), Islami Jamhoori Ittehad *changed later
Total Duration: 2 Years, 5 Months, 12 Days
- Balakh Sher Mazari (Born 1928)
In Office: 18 April 1993 – 26 May 1993
Status: Caretaker/Acting
Political Party: None
Total Duration: 1 Month, 8 Days
Nawaz’s Second Term:
In Office: 26 May 1993 – 18 July 1993
Status: Elected democratically
Political Party: Pakistan Muslim League (N)
Total Duration: 1 Month, 22 Days
- Moeenuddin Ahmad Qureshi (Born 1930)
In Office: 18 July 1993 – 19 October 1993
Status: Caretaker/Acting
Political Party: None
Total Duration: 3 Months, 1 Day exactly
Benazir’s Second Term:
In Office: 19 October 1993 – 5 November 1996
Status: Elected democratically
Political Party: Pakistan Peoples Party
Total Duration: 3 Years, 17 Days
- Malik Meraj Khalid (1916 – 2003)
In Office: 5 November 1996 – 17 February 1997
Status: Caretaker/Acting
Political Party: None
Total Duration: 3 Months, 12 Days
Nawaz’s Third Term:
In Office: 17 February 1997 – 12 October 1999
Status: Elected democratically
Political Party: Pakistan Muslim League (N)
Total Duration: 2 Years, 7 Months, 23 Days
Post Abolished: 12 October 1999 – 20 November 2002
Total Duration of Abolishment: 3 Years, 1 Month, 8 Days
13. Zafarullah Khan Jamali (Born 1944)
In Office: 21 November 2002 – 26 June 2004
Status: Acting/Appointed by the President
Political Party: Pakistan Muslim League (Q)
Total Duration: 1 Year, 7 Months, 5 Days
14. Chaudhry Shujaat Hussain (Born 1946)
In Office: 30 June 2004 – 20 August 2004
Status: Elected democratically
Political Party: Pakistan Muslim League (Q)
Total Duration: 1 Month, 21 Days
15. Shaukat Aziz (Born 1949)
In Office: 20 August 2004 – 16 November 2007
Status: Elected democratically
Political Party: Pakistan Muslim League (Q)
Total Duration: 3 Years, 2 Months, 27 Days
- Muhammad Mian Soomro (Born 1950)
In Office: 16 November 2007 – 25 March 2008
Status: Caretaker/Acting
Political Party: Pakistan Muslim League (Q)
Total Duration: 4 Months, 9 Days
16. Yousaf Raza Gillani (Born 1952)
In Office: 25 March 2008 – 19 June 2012
Status: Elected democratically
Political Party: Pakistan Peoples Party
Total Duration: 4 Years, 2 Months, 25 Days
17. Raja Pervaiz Ashraf (1950)
Raja Pervaiz Ashraf
In Office: 22 June 2012 – 25 March 2013
Status: Assumed Prime Minister’s role when his predecessor, Yousuf Raza Gilani was disqualified by the Supreme Court of Pakistan on contempt of court charges.
Political Party: Pakistan People’s Party
Total Duration: 9 Months, 3 Days
18. Mir Hazar Khan Khoso (1929)
Mir Hazar Khan Khoso
In Office: 25 March 2013 – 4 June 2013
Status: Caretaker Prime Minister.
Political Party: Independent
Total Duration: 2 Months, 10 Days
19. Mian Muhammad Nazwaz Sharif (1949)
In Office: 5 June 2013 – continued
Status: Elected Prime Minister.
Political Party: Muslim League (N)
Duration as of June 2013: 9 months, 6 days and counting.
- Longest Time Served by a Prime Minister: Yousuf Raza Gilani (4 Years, 2 Months, 25 Days). Previously, Liaquat Ali Khan served the longest time as Prime Minister (4 Years, 2 Months, 2 Days). After aggregating Nawaz Sharif’s three terms, his duration totals up to 4 years, 13 months and 57 days or 5 years, 2 month and 27 days. After aggregating Benazir Bhutto’s two terms, her duration totals up to 4 years, 8 months and 21 days. Thus both Nawaz Sharif and Benazir Bhutto are the longest non-consecutively serving prime ministers.
- Shortest Time Served by a Prime Minister: Nurul Amin (13 Days) during 1971 Bangladesh-Pakistan War
Source : Insider.pk