Calangianus continues to lose residents. As of December 31, 2025, the resident population had fallen to 3,722, compared to 3,763 the previous year: 46 fewer citizens in twelve months. This decline is not a one-off, but part of a long-term trend. Over the last 25 years, the town has lost 913 residents: in 2001, it far exceeded 4,600 (4,635). The psychological threshold of 4,000 was breached in 2019, when the population dropped from 4,057 in 2018 to 3,987.

The most worrying figure remains the natural demographic one. In 2025 only 20 children were born, one more than in 2024 (19), but still less than half of twenty years ago: in 2005 there were 44 births. In the same period, deaths remain steadily higher than double or more: 49 in 2025, 53 in 2024. The natural balance, therefore, continues to be negative and has a structural impact on the reduction of the population.

Added to this is a mobility that does not compensate for the losses. The most recent complete data are from 2024: 77 people moved and took up residence in Calangianus (63 from other Italian municipalities and 14 from abroad), while 97 left the town (81 to other municipalities and 16 abroad). The net migration was therefore -20. Over the last five years, the trend has remained predominantly negative: -32 in 2020, -10 in 2021, -18 in 2022, a brief reversal in 2023 (+17), and a negative trend again in 2024.

A snapshot of the situation, considered by age group, paints a picture of an increasingly mature community. Residents aged 0 to 14 make up approximately 9.2% of the population. The middle age bracket, 15-64, reaches 61.3%. Those over 65 make up almost 29.6% of the total. The median age of the population has reached 50, up from 42 in 2005: an increase of over eight years in two decades.

These numbers have resulted in fewer school enrollments, increasingly rare young families, and social and health services forced to cope with a growing mature and elderly population.

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