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Italy · region

Lazio population 2026

Lazio has 5,709,178 people on the latest official figure, for 1 January 2025, 5,567 fewer than a year earlier (−0.10%). It is 2nd of Italy’s 20 regions by population, home to 9.7% of Italy’s people.

If last year’s change continues: about 5.7 million by 1 July 2026. That is our arithmetic, not an official figure.

Lazio in numbers

Population
5.7 million 1 January 2025
Change in a year
−0.10% −5,567 people
Change since 2020
−0.81% from 5.8 million
Share of Italy
9.7% 2nd of 20 regions
Population density
331per km² 17,236 km²

That is about as many people as Central African Republic (5.7 million).

Population of Lazio by year

Population of Lazio
5.7M
› Show the numbers as a table
YearPopulation
20125,605,706
20135,678,764
20145,723,955
20155,744,899
20165,761,508
20175,774,092
20185,774,606
20195,773,076
20205,755,700
20215,730,399
20225,714,882
20235,720,536
20245,714,745
20255,709,178
YearPopulationChange
2025 5,709,178 −5,567
2024 5,714,745 −5,791
2023 5,720,536 +5,654
2022 5,714,882 −15,517
2021 5,730,399 −25,301
2020 5,755,700 −17,376
2019 5,773,076 −1,530
2018 5,774,606 +514
2017 5,774,092 +12,584
2016 5,761,508 +16,609
2015 5,744,899 +20,944
2014 5,723,955 +45,191
2013 5,678,764 +73,058
2012 5,605,706 –

Lazio among Italy’s regions

Full ranking →
Regions of Italy by population
#
1 Lombardy10,033,918+0.22%
2 Lazio5,709,178−0.10%
3 Campania5,582,337−0.21%
4 Veneto4,853,472+0.03%
5 Sicily4,787,390−0.21%
6 Emilia-Romagna4,461,998+0.23%
7 Piedmont4,251,868+0.01%
8 Apulia3,877,395−0.34%
9 Tuscany3,657,716−0.08%
10 Calabria1,834,646−0.21%
11 Sardinia1,562,381−0.51%
12 Liguria1,510,143+0.07%
13 Marche1,480,545−0.15%
14 Abruzzo1,269,118−0.04%
15 Friuli-Venezia Giulia1,193,284−0.11%
16 Trentino-South Tyrol1,086,252+0.33%
17 Umbria851,473−0.19%
18 Basilicata530,004−0.61%
19 Molise287,814−0.49%
20 Aosta Valley122,532−0.28%

Largest cities in Lazio

City proper, not the wider metro area; latest figure in GeoNames (CC BY 4.0), so years differ.

  1. Rome2,318,895
  2. Acilia-Castel Fusano-Ostia Antica129,362
  3. Guidonia Montecelio89,165
  4. Lido di Ostia85,301
  5. Fiumicino80,738
  6. Latina76,305

Air quality in Lazio today

Hourly AQI and a 48-hour forecast.

Rome

Questions

What is the population of Lazio in 2026?

The latest official figure is 5,709,178, for 1 January 2025 (Eurostat). If last year’s change continues, Lazio would have about 5.7 million people by 1 July 2026; that is our arithmetic, not an official figure. Eurostat updates regional populations once a year.

Is Lazio’s population growing or shrinking?

It shrank by 5,567 people (−0.10%) in the latest year, and has changed −0.81% since 2020.

How does Lazio rank in Italy?

Lazio is 2nd of Italy’s 20 regions, with 9.7% of the people. Lombardy is the largest, with 10 million.

What is the population density of Lazio?

About 331 people per km², on 17,236 km². Total area, Wikidata.

What is the largest city in Lazio?

Rome, with about 2.3 million people in the city proper. Metro areas are larger, and years differ (GeoNames).

Source and method

Eurostat, population on 1 January by NUTS region (demo_r_d2jan). Eurostat reuse policy (CC BY 4.0). Total area, Wikidata. Eurostat updates regional populations once a year. Ranks, shares and changes are our arithmetic on the published figures. National figures can differ from the UN’s projection for Italy, which uses a different method. The 2026 figure above carries last year’s change forward; it does not come from the source.

Cite this page: Lazio population, Eurostat, 1 January 2025. GlobeMetrics, https://globemetrics.org/world-population/italy/lazio/

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