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The population of Greater Lyon and the whole of the Rhône should continue to grow over the coming decades, according to projections for 2070 published by INSEE.
Until reaching their demographic peak respectively in 2063 and 2066, before a slight reversal, later than at the national level, which would occur from 2044.
More than 2 million Rhodanians
The Lyon metropolis would gain 157,000 inhabitants over the next half-century, or 3,000 per year to reach more than 1.5 million.
In the rest of the department, known as the New Rhône, the increase would be 97,551 more inhabitants, or 2,000 per year, for a total of 558,151 inhabitants.
A proportionately stronger annual population growth (0.37%) in this less urban area than Greater Lyon (0.2%).
In both cases, the curves are very upward until the 2050s, before leveling off.
Urban exodus?
In the department, population growth is solely driven by the natural balance, the migratory balance being negative.
A singularity due to the statistics of the metropolis, since the territory of the new Rhône shows an exactly opposite trend.
The migratory balance reflects the increase in the population, while urban dwellers are already arriving, anxious to settle in the countryside.
Taken as a whole, the Rhône is thus one of the regional departments which are progressing the most and, along with Ain and Haute-Savoie, are driving regional demographic growth.
While Drôme, Isère and Puy-de-Dôme would also be on the rise, INSEE projections show the demographic decline of Allier, Cantal and Haute-Loire.
Two years older in the city, seven in the country
The lengthening of life expectancy would induce an aging of the population, more marked in the territory of the New Rhône.
The number of over 75s would triple there between the 2018 and 2070 censuses, while it would only double in metropolitan France.
At the same time, young people under 20 are declining less quickly in metropolitan France.
So that the average age would increase by seven years in the New Rhône, and by two years in mainland France, for a departmental average rising from 38.5 to 42.6 years.