List of Portuguese monarchs by longevity

This is a list of Portuguese monarchs by longevity since the the formation of the Kingdom of Portugal in the 12th century.

At 81 years and 113 days, Maria I of Portugal was the longest-lived monarch in the history of the kingdom. She died mad in 1816.

At 24 years and 62 days, Peter V of Portugal was the shortest-lived monarch in the history of the kingdom. He died of cholera in 1861.

Afonso Henriques, the founding king of Portugal, is the second longest-lived Portuguese monarch, and the longest-lived king, at 76 years and 153 days.

Rank	Monarch	Date of Birth	Date of Death	Longevity (days)	Longevity (years/days)
1	Maria I	17 February 1734	20 March 1816	29,678	81y 113d
2	Afonso I Henriques	25 July 1109	6 December 1185	27,893	76y 153d
3	John I	11 April 1357	14 August 1433	27,883	76y 143d
4	Philip I (II of Spain)	21 December 1527	13 September 1598	25,834	70y 284d
5	Afonso III	5 May 1210	16 February 1279	25,124	68y 304d
6	Cardinal Henry	31 January 1512	31 January 1580	24,837	68y 17d
7	Afonso IV	8 February 1291	28 May 1357	24,215	66y 125d
8/9	António, Prior of Crato	1531	26 August 1595	between 23,249 and 23,613	between 63y 254d and 64y 253d
9/8	Michael	26 October 1802	14 November 1866	23,395	64y 35d
10	Denis	9 October 1261	7 January 1325	23,100	63y 105d
11	Joseph I	6 June 1714	24 February 1777	22,909	62y 279d
12	John V	22 October 1689	31 July 1750	22,196	60y 296d
13	Philip III (IV of Spain)	8 April 1605	17 September 1665	22,077	60y 177d
14	John VI	13 May 1767	26 March 1826	21,501	58y 331d
15	Peter II	26 April 1648	9 December 1706	21,410	58y 240d
16	John III	6 June 1502	11 June 1557	20,094	55y 19d
17	John IV	18 March 1603	6 November 1656	19,592	53y 247d
18	Manuel I	31 May 1469	13 December 1521	19,188	52y 208d
19	Louis I	31 October 1838	19 October 1889	18,616	51y 1d
20	Afonso V	15 January 1432	28 August 1481	18,123	49y 238d
21	Sancho I	11 November 1164	25 March 1212	17,300	47y 145d
22	Edward	31 October 1391	13 September 1438	17,118	46y 328d
23	Peter I	8 April 1320	18 January 1367	17,086	46y 296d
24	Charles I	28 September 1863	1 February 1908	16,196	44y 136d
25	Manuel II	19 March 1889	2 July 1932	15,810	43y 115d
26	Philip II (III of Spain)	14 April 1578	31 March 1621	15,692	42y 362d
27	John II	3 March 1455	25 October 1495	14,846	40y 246d
28	Sancho II	8 September 1207	4 January 1248	14,728	40y 128d
29	Afonso VI	21 August 1643	12 September 1683	14,632	40y 32d
30	Afonso II	23 April 1185	25 April 1223	13,880	38y 10d
31	Ferdinand I	31 October 1345	22 October 1383	13,870	38y
32	Peter IV	12 October 1798	24 September 1834	13,130	35y 355d
33	Maria II	4 April 1819	15 November 1853	12,644	34y 234d
34	Sebastian	20 January 1554	4 August 1578	8,962	24y 202d
35	Peter V	16 September 1837	11 November 1861	8,822	24y 62d

See also

List of Portuguese monarchs
List of Portuguese monarchs by age at ascension to the throne