Rank by time in office
edit
Rank by length of terms |
Prime Minister |
Length by time served |
Cabinets |
Party
|
1 |
António de Oliveira Salazar |
36 years, 82 days |
3 |
National Union
|
2 |
António Maria de Fontes Pereira de Melo |
11 years, 26 days |
3 |
Regenerator
|
3 |
Aníbal Cavaco Silva |
9 years, 356 days |
3 |
Social Democratic
|
4 |
José Luciano de Castro |
8 years, 288 days |
3 |
Progressist
|
5 |
Duke of Saldanha |
8 years, 203 days |
4 |
Regenerator
|
6 |
Ernesto Hintze Ribeiro |
8 years, 131 days |
3 |
Regenerator
|
7 |
António Costa |
8 years, 128 days |
3 |
Socialist
|
8 |
Duke of Loulé |
8 years, 123 days |
3 |
Historic
|
9 |
António Guterres |
6 years, 160 days |
2 |
Socialist
|
10 |
José Sócrates |
6 years, 101 days |
2 |
Socialist
|
11 |
Duke of Terceira |
5 years, 290 days |
4 |
Regenerator
|
12 |
Marcello Caetano |
5 years, 210 days |
1 |
National Union
|
13 |
Mário Soares |
4 years, 187 days |
2 |
Socialist
|
14 |
Pedro Passos Coelho |
4 years, 158 days |
2 |
Social Democratic
|
15 |
Marquess of Sá da Bandeira |
3 years, 310 days |
5 |
Reformist
|
16 |
Joaquim António de Aguiar |
3 years, 64 days |
3 |
Regenerator
|
17 |
Domingos Oliveira |
2 years, 166 days |
1 |
National Union
|
18 |
Francisco Pinto Balsemão |
2 years, 151 days |
1 |
Social Democratic
|
19 |
António Maria da Silva |
2 years, 132 days |
4 |
Democratic
|
20 |
Duke of Ávila |
2 years, 119 days |
3 |
Reformist
|
21 |
José Manuel Durão Barroso |
2 years, 102 days |
1 |
Social Democratic
|
22 |
Afonso Costa |
1 year, 329 days |
3 |
Democratic
|
23 |
António Costa Cabral, Marquess of Tomar |
1 year, 312 days |
2 |
Chartist
|
24 |
Anselmo José Braamcamp |
1 year, 297 days |
1 |
Progressist
|
25 |
António Óscar Carmona |
1 year, 284 days |
1 |
Independent
|
26 |
João Franco |
1 year, 261 days |
1 |
Liberal Regenerator
|
27 |
Count of Bonfim |
1 year, 195 days |
1 |
Septemberist
|
28 |
João Crisóstomo |
1 year, 95 days |
1 |
Independent
|
29 |
José Vicente de Freitas |
1 year, 81 days |
1 |
Independent
|
30 |
Vasco Gonçalves |
1 year, 63 days |
1 |
Independent
|
31 |
António José de Almeida |
1 year, 40 days |
1 |
Evolutionist Party
|
32 |
José Dias Ferreira |
1 year, 35 days |
1 |
Independent
|
33 |
Bernardino Machado |
1 year, 23 days |
2 |
Democratic
|
34 |
Sidónio Pais |
1 year, 9 days |
1 |
National Republican
|
35 |
Duke of Palmela |
363 days |
3 |
Chartist
|
36 |
Francisco de Sá Carneiro |
336 days |
1 |
Social Democratic
|
37 |
Francisco Ferreira do Amaral |
326 days |
1 |
Independent
|
38 |
Teófilo Braga |
323 days |
1 |
Republican
|
39 |
Domingos Pereira |
278 days |
3 |
Democratic
|
José Pinheiro de Azevedo |
278 days |
1 |
Independent
|
40 |
António de Serpa Pimentel |
270 days |
1 |
Regenerator
|
41 |
Carlos Mota Pinto |
252 days |
1 |
Social Democratic
|
42 |
Luís Montenegro |
238 days (Incumbent) |
1 |
Social Democratic
|
43 |
Pedro Santana Lopes |
238 days |
1 |
Social Democratic
|
44 |
António Rodrigues Sampaio |
236 days |
1 |
Regenerator
|
45 |
Baron of Ribeira de Sabrosa |
222 days |
1 |
Septemberist
|
Venceslau de Lima |
222 days |
1 |
Independent
|
46 |
Augusto de Vasconcelos |
216 days |
1 |
Republican
|
47 |
Álvaro de Castro |
212 days |
1 |
Nationalist Republican
|
48 |
Duarte Leite |
207 days |
1 |
Republican
|
49 |
Alfredo de Sá Cardoso |
205 days |
1 |
Democratic
|
50 |
Artur Ivens Ferraz |
197 days |
1 |
Independent
|
51 |
José de Castro |
196 days |
1 |
Democratic
|
52 |
Francisco da Veiga Beirão |
186 days |
1 |
Regenerator
|
53 |
António Granjo |
174 days |
2 |
Republican Liberal
|
54 |
Maria de Lourdes Pintasilgo |
155 days |
1 |
Independent
|
55 |
José Jorge Loureiro |
154 days |
1 |
Independent
|
56 |
Alfredo Rodrigues Gaspar |
138 days |
1 |
Democratic
|
57 |
Vitorino Guimarães |
136 days |
1 |
Democratic
|
58 |
Artur de Campos Henriques |
106 days |
1 |
Independent
|
Joaquim Pimenta de Castro |
106 days |
1 |
Independent
|
59 |
António Teixeira de Sousa |
101 days |
1 |
Regenerator
|
60 |
Tomé de Barros Queirós |
99 days |
1 |
Republican Liberal
|
61 |
Liberato Pinto |
92 days |
1 |
Democratic
|
62 |
António Maria Baptista |
90 days |
1 |
Democratic
|
63 |
Alfredo Nobre da Costa |
86 days |
1 |
Independent
|
64 |
José Domingues dos Santos |
85 days |
1 |
Democratic Leftwing Republican
|
65 |
João Chagas |
72 days |
1 |
Republican
|
66 |
Adelino da Palma Carlos |
63 days |
1 |
Independent
|
67 |
António Dias de Oliveira |
62 days |
1 |
Septemberist
|
José Relvas |
62 days |
1 |
Independent
|
68 |
Count of Lumiares |
55 days |
1 |
Septemberist
|
69 |
Francisco Cunha Leal |
53 days |
1 |
Democratic
|
70 |
Vítor Hugo de Azevedo Coutinho |
47 days |
1 |
Democratic
|
71 |
Carlos Maia Pinto |
41 days |
1 |
Independent
|
72 |
Diogo Freitas do Amaral |
36 days |
1 |
Democratic and Social Centre
|
73 |
João Tamagnini Barbosa |
35 days |
1 |
National Republican
|
74 |
Sebastião Sousa Teles |
33 days |
1 |
Independent
|
António Ginestal Machado |
33 days |
1 |
Nationalist Republican
|
75 |
Vasco de Almeida e Costa |
30 days |
1 |
Independent
|
76 |
Count of Linhares |
23 days |
1 |
Chamorro
|
77 |
National Salvation Junta |
21 days |
1 |
Independent
|
78 |
José Ramos Preto |
20 days |
1 |
Democratic
|
José Mendes Cabeçadas |
20 days |
1 |
Independent
|
Manuel Gomes da Costa |
20 days |
1 |
Independent
|
79 |
Manuel Maria Coelho |
17 days |
1 |
Independent
|
80 |
João do Canto e Castro |
9 days |
1 |
National Republican
|
81 |
Marquess of Valença |
1 day |
1 |
Independent
|
Constitutional Junta |
1 day |
1 |
Independent
|
82 |
Francisco Fernandes Costa |
less than a day |
– |
Republican Liberal
|
Rank by length of terms |
Party |
Length by time served |
Prime ministers
|
1 |
National Union |
44 years, 93 days |
3
|
2 |
Regenerator |
38 years, 176 days |
9
|
3 |
Socialist |
25 years, 211 days |
4
|
4 |
Social Democratic |
22 years, 5 days (Incumbent) |
8
|
5 |
Independent |
11 years, 307 days |
25
|
6 |
Progressist |
10 years, 220 days |
2
|
7 |
Democratic |
8 years, 279 days |
13
|
8 |
Historic |
8 years, 123 days |
1
|
9 |
Reformist |
6 years, 64 days |
2
|
10 |
Chartist |
2 years, 310 days |
2
|
11 |
Septemberist |
2 years, 169 days |
4
|
12 |
Republican |
2 years, 88 days |
4
|
13 |
Liberal Regenerator |
1 year, 261 days |
1
|
14 |
Evolutionist Party |
1 year, 40 days |
1
|
15 |
National Republican |
1 year, 53 days |
3
|
16 |
Republican Liberal |
273 days |
3
|
17 |
Nationalist Republican |
245 days |
2
|
18 |
Democratic Leftwing Republican |
85 days |
1
|
19 |
Democratic and Social Centre |
36 days |
1
|
20 |
Chamorro |
23 days |
1
|