Immigrants and pensions: the numbers don't add up even in the best-case scenario

A damning calculation shows that neither immigrants nor nationals contribute enough to cover their pension: the system is unsustainable.

English · Original discussion in Spanish · Published

The pension paradox: neither immigrants nor nationals pay in enough

The mantra repeated by politicians and pundits — that immigration will save the pension system — runs headlong into the math. A calculation circulating in alternative analysis circles dismantles the thesis: a worker who contributes from age 18 to 66 on a gross annual salary of 26,000 euros will have paid 315,648 euros into Social Security, but their expected pension (2,000 euros a month for 24 years) amounts to 576,000 euros. The result: a shortfall of 260,352 euros per person. Even in the best possible scenario, the equation never comes out positive.

The calculation that strips the myth bare

The figure is based on a monthly contribution of 548 euros for pensions. Over 48 working years, that adds up to 315,648 euros. But if the worker lives to 90 — hardly a far-fetched horizon given rising life expectancy — they will draw a pension for 24 years. At 2,000 euros a month, the total received is 576,000 euros. The hole is obvious: 260,352 euros that someone has to cover. And that's without counting unemployment benefits, healthcare or long-term care.

Some counter that male life expectancy in Spain is 76, which would cut the payout period to about 10 years. But even in that scenario, the total pension would be around 240,000 euros, still below what was contributed. The problem is not longevity; it's that the system promises more than it collects, regardless of where the contributor comes from.

The origin factor: uncomfortable differences

Studies conducted in Denmark and the Netherlands show that immigrants' net balance varies drastically depending on where they come from. Those from the United States, Japan or northern Europe have a highly positive fiscal impact, similar to that of natives. Those from Eastern and Southern Europe also contribute a positive balance, though a more modest one. By contrast, immigrants from certain regions — the cited analysis refers to specific groups without generalizing — show a significantly negative balance.

In Spain, the discussion turns toxic quickly. Those who defend immigration as a solution point out that the state saves up to 18 years of education and healthcare for every adult immigrant. Those who criticize it point to indirect costs: social benefits, pressure on housing and public services, and the difficulty of integration. Both sides have data on their side, but neither solves the underlying equation.

The system, that great Ponzi scheme

Beyond the origin of contributors, several analyses agree that Spain's pension system is unsustainable by design. It is a pay-as-you-go scheme that, at the current dependency ratio, only stays afloat thanks to growing debt. Some call it a "Ponzi scheme": as long as new contributors come in, retirees get paid; if the working population shrinks, the house of cards collapses.

Mass immigration has been sold as the lifeline, but the numbers show that not even a worker who contributes their whole life from age 18 can self-finance their pension. The conclusion is uncomfortable: the problem is not immigrants, it's a system that promises benefits contributions cannot cover. And until structural reform is tackled — raising the retirement age, adjusting pensions or increasing contributions — the immigration debate will remain a smokescreen.

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Summary of a discussion on Burbuja.info - Foro de economía, actualidad y política., translated from Spanish and reviewed before publication. Read the full discussion (96 replies).

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