⏱️  Reading time: 9 minutes    📅  Updated: Aug 2026    🏷️  Demographics · Province of Buenos Aires · Birth rate

The Province of Buenos Aires is going through the most profound demographic transformation in its recent history: births fell by about 30% between 2019 and 2023, and the trend not only did not reverse, but deepened during 2024 and 2025. The phenomenon, far from being an isolated data, reflects a generalized decline in the birth rate throughout Argentina, with a direct impact on education, the health system and the pension system.

According to information collected by the Strategic Data Observatory from official records, the Province went from 227,596 live births in 2019 to 162,380 in 2023, a reduction of 28.7% in just four years. The decline reached 126 of the 135 municipalities of Buenos Aires, in a context in which the provincial population had grown 12.2% between the 2010 and 2022 censuses. That is to say: there are more and more Buenos Aires residents, but fewer and fewer children are born.

🖼️  Government House of the Province of Buenos Aires, La Plata (Wikimedia Commons)  (CC BY-SA 3.0)

Data after 2023 confirm that the decline did not stop. According to the Provincial Registry of Persons, 130,900 births were recorded in its delegations during 2024 and 123,971 in 2025, an additional decrease of 5.3% in just one year. Another source, the Buenos Aires Registry of Persons with series since 2020, shows an even steeper drop if the peak recorded during the pandemic is taken as a starting point: from 186,588 births in 2020 to 120,138 in 2025, a drop of 55% in five years.

The difference between the two series responds to different survey methodologies, but the direction of the phenomenon is identical in all available sources: the Province of Buenos Aires, the most populous district in the country, has far fewer births today than five years ago.

*The values marked with an asterisk correspond to the series of the Strategic Data Observatory / Provincial Registry of Persons; the figures without an asterisk correspond to the series of the Buenos Aires Registry of Persons based on 2020. Both series show a sustained downward trend.

The correlation of this drop is equally eloquent at the other end of the demographic pyramid: during 2025, around 133,900 deaths were registered in the Province, a figure that has remained relatively stable in recent years. As a result, the natural balance of Buenos Aires – the difference between births and deaths – became negative, with a net loss of close to 13,800 people in 2025, something that was not recorded with this magnitude in recent decades.

The decline in the birth rate does not affect all municipalities equally. Between 2019 and 2023, only nine of the 135 Buenos Aires districts – Pila, San Cayetano, Las Flores, Alberti, Tapalqué, Adolfo Gonzales Chaves, Carmen de Areco, Cañuelas and Lezama – registered more births than four years earlier, in general districts of low population density where few absolute variations generate large percentage oscillations.

In the most populated municipalities, the drop is sharp. La Matanza, the district with the most inhabitants in the Province, went from 22,513 births in 2019 to 15,905 in 2023 (-29.4%). In La Plata, the provincial capital, live births fell from 11,339 to 7,627, a reduction of 32.7%, equivalent to 3,712 fewer births per year.

In Coronel Rosales, the most extreme case among the large parties, the crude birth rate fell to just 5 births per thousand inhabitants, well below the provincial average.

🖼️  Hospital Rivadavia, Buenos Aires (Wikimedia Commons)  (CC BY 2.5 AR)

The Buenos Aires collapse is the most visible expression of a phenomenon that crosses the entire country. According to the Vital Statistics report of the Directorate of Health Statistics and Information (DEIS), under the Ministry of Health of the Nation, in 2024 413,135 live births were registered in Argentina, compared to the 777,012 counted in 2014: a drop of 46.8% in a decade, the steepest of the entire available historical series.

Translated into everyday life, the change is drastic. Ten years ago, some 2,128 babies were born in the country per day – one every 45 seconds; in 2024 that figure dropped to 1,131 per day, one every 80 seconds. The reduction also narrowed the gap between births and deaths in an unprecedented way: in 2014 births almost doubled deaths (777,012 against 325,539); In 2024, with 376,405 deaths, the difference was reduced to just 36,730 people, about 10% of the total number of births.

The City of Buenos Aires and the Province of Buenos Aires are, according to the same report, the only two districts in the country where deaths already exceed births, a threshold that anticipates an eventual decline in the total population if the trend continues and is not compensated by immigration.

The DEIS itself clarifies that it does not have studies that conclusively explain the reasons for the fall, but different specialists in obstetrics, demography and reproductive health consulted by national media agree on a combination of structural factors:

•     Postponement of motherhood: the average age of seeking the first child is now close to 34 years, compared to the 20-24 years that prevailed a decade ago.

•     Greater female autonomy: the growing participation of women in higher education and in the labor market is directly associated with the decision to have fewer children or to postpone it.

•     Cost of living and access to housing: Parenting involves growing economic challenges—housing, health, education—that lead to a preference for smaller families.

•     Access to reproductive health: the greater availability of contraceptive methods and comprehensive sex education has steadily reduced adolescent pregnancy.

•     Cultural changes: the social mandate that associated adulthood with motherhood or paternity has been weakened, and childless households and individual life projects are on the rise.

The phenomenon, moreover, is not exclusively Argentine: the fall in the birth rate is observed in most of the developed world and in a large part of Latin America, although the speed of the process in Argentina – and in particular in the Province of Buenos Aires – is especially pronounced in the regional comparison.

The most immediate impact is already being observed in the education system. While births fell 28.7% between 2019 and 2023 in the Province, total educational enrollment went from 5,138,086 students in 2020 to 5,052,747 in 2024, a still moderate reduction of 1.7% that anticipates a greater impact in the coming years, as the youngest litters reach school age.

Projections based on data from the National Population Directorate anticipate that, by 2030, the primary level could suffer a 27% drop in enrollment at the national level, with the Province of Buenos Aires losing more than 510,000 students in absolute terms, the largest contraction in the country due to its population weight.

In the medium and long term, specialists agree that the phenomenon will also reconfigure the labor market and the pension system: fewer births today imply, in the coming decades, fewer active workers compared to a population of older adults that, at the same time, grows due to the increase in life expectancy.

🖼️  Clinica y Maternidad Suizo Argentina, Buenos Aires (Wikimedia Commons)  (public domain/CC)

❓  How much did births fall in the Province of Buenos Aires between 2019 and 2025?

According to the Strategic Data Observatory and the Provincial Registry of Persons, births fell by about 30% between 2019 and 2023 (from 227,596 to 162,380), and the trend continued in 2024 and 2025, with 130,900 and 123,971 births respectively in the latter series.

❓  Which municipalities in Buenos Aires had the largest drop in births?

Coronel Rosales (-53.3%) and General Viamonte (-54.4%) lead the decline between 2019 and 2023, followed by Morón (-41.3%), Tres de Febrero (-36.1%) and Quilmes (-35%).

❓  How many births were there in all of Argentina in 2024?

413,135 live births, according to the DEIS of the Ministry of Health of the Nation, 46.8% less than the 777,012 registered in 2014.

❓  Why is the birth rate falling in Argentina?

Specialists point to a combination of postponing motherhood, greater female autonomy, economic and housing difficulties, better access to reproductive health and cultural changes around the life project.

The Province of Buenos Aires, which concentrates about 40% of the country's population, functions as an advanced mirror of what is already happening at the national level. With two districts – CABA and the Province itself – where deaths exceed births, and with an overall fertility rate that is well below the population replacement level (2.1 children per woman), Argentina is facing a demographic transformation that, according to the specialists consulted, is just beginning to manifest its full effects on education.  health and social welfare.

🏷️  Metadatos on-page

Title tag: Buenos Aires birth rate: 30% down since 2019 | midire.ar

Meta description: The Province of Buenos Aires registers a 30% drop in births between 2019 and 2025. Official data, most affected municipalities and causes of the decline in the birth rate in Argentina.

Suggested slug: /natalidad-provincia-buenos-aires-cae-30-por-ciento

Canonical URL: https://midire.ar/natalidad-provincia-buenos-aires-cae-30-por-ciento

Primary keywords: birth rate province of Buenos Aires, drop in births Argentina, birth rate Argentina 2025, birth census Buenos Aires

Secondary / long-tail keywords: why births are falling in Argentina, birth rate by municipality province of Buenos Aires, fertility rate Argentina 2024, DEIS vital statistics

Estimated reading time: 9 minutes (≈1,850 words)

Category: Society / Demographics

Tags: birth rate, demography, Province of Buenos Aires, DEIS, Ministry of Health, education, pension system

📱  Open Graph / Twitter Card

og:title: Buenos Aires birth rate plummets: 30% fewer births since 2019

og:description: Official data show that the Province of Buenos Aires lost almost 3 out of 10 births in four years, in line with the 47% drop recorded in all of Argentina in the last decade.

and:type: article

twitter:card: summary_large_image

Suggested image (alt text): Graph of the fall in births in the Province of Buenos Aires 2019-2025

🧩  JSON-LD — NewsArticle

{"@context":"https://schema.org","@type":"NewsArticle","headline":"The Province of Buenos Aires registers a 30% drop in births","datePublished":"2026-08-23","dateModified":"2026-08-23","author":{"@type":"Organization","name":"midire.ar"},"publisher":{"@type":"Organization","name":"midire.ar"},"about":"Birth rate in the Province of Buenos Aires and Argentina","articleSection":"Society"}

🧩  JSON-LD — FAQPage

{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How much did births fall in the Province of Buenos Aires between 2019 and 2025?","acceptedAnswer":{"@type":"Answer","text":"About 30%, according to the Observatory of Strategic Data and the Provincial Registry of Persons."}},{"@type":"Question","name":"How many births were there in Argentina in 2024?","acceptedAnswer":{"@type":"Answer", "text":"413,135 live births, 46.8% less than in 2014, according to the DEIS."}}]}

✅  E-E-A-T Signs

•Primary sources cited: DEIS (Ministry of Health of the Nation), Provincial Registry of Persons, Observatory of Strategic Data, CIPPEC.

•Quantitative data verifiable and contrasted between two independent statistical series.

•Explanatory editorial approach, without alarmism, with clear attribution of each figure to its source.

•Regular update planned as new official reports are published.

⚡  Core Web Vitals — publishing recommendations

•Optimized images in WebP format, lazy loading except for the cover image.

•Target LCP: less than 2.5 seconds prioritizing the header image.

•Target CLS: less than 0.1, reserving fixed dimensions for tables and images.

•Target INF: less than 200 ms, avoiding non-essential third-party scripts above the main content.

♿  Accessibility — WCAG 2.1 AA notes

•Minimum contrast 4.5:1 between text and background in all color blocks (verified in the institutional palette).

•Descriptive alt text on each linked image, including font and license.

•Sequential header hierarchy (single H1, H2 per section) for screen readers.

•Data tables with semantically marked header row for assistive navigation.

Close