The Algarve is the region of Portugal that gained the most population between 2011 and 2021, according to the definitive results of the Censuses that are already known.
The provisional results, released in July 2021, already showed that the Algarve led this ranking.
Definitive data confirms this: in 10 years, from 2011 to 2021, the Algarve has 16.337 more residents, out of a total of 467.343. This rise represents a variation of +3,62%, the highest at national level.
The increase in the foreign population residing in the region also contributed to this growth: +14,53% than in 2011.
According to the Census, in addition to the Algarve, only the Metropolitan Area of Lisbon region recorded an increase in residents (+1,7%).
The population increase in the Algarve is reflected in most municipalities: of the 16 in the region, 11 gained residents (Aljezur, Vila do Bispo, Lagos, Portimão, Lagoa, Silves, Albufeira, Loulé, Faro, São Brás de Alportel and Tavira).
In turn, Monchique, Alcoutim, Castro Marim, Vila Real de Santo António and Olhão lost inhabitants.
Furthermore, the municipality with the highest population increase was Vila do Bispo (+8,73%), which is equivalent to 459 more residents.
But there are other interesting data: Lagos (+7,87%) and Albufeira (+8,17%) also grew substantially.
On the contrary, Alcoutim continues to lose population. In 2011, there were 2917 residents in this municipality in the Northeast of the Algarve; in 2021, there are 2523 (-13,51%).
Alcoutim is indeed the oldest municipality in Portugal. According to the Census, the average age in Alcoutim is 58,4 years.
In Monchique, another municipality in the interior of the Algarve, the drop in population was, in percentage terms, 9,6%. In 10 years, Monchique lost 583 inhabitants, now having a total of 5462 residents.
One of the most curious cases is that of Olhão, which is even part of the municipalities of the Central Algarve. From 2011 to 2021, Olhão lost 782 residents (total of 44.614).
Furthermore, the most populous municipality in the Algarve is also the largest in terms of territory: Loulé (72.332 inhabitants). follows Faro (67.622) and Portimão (59.845).
In national terms, Portugal registered a population decrease. In 2021, 10.343.066 people lived in our country, 291.112 less than in 2001.
The average age has also increased and now stands at 45,4 years, which denotes the aging of the population.