The Longevity Paradox: Longer Lives, Narrowing Opportunity
We are living longer, and in many fields we are capable of contributing for longer. Yet the labour market still behaves as if professional relevance has an expiry date. Employment rises through early and mid-career, peaks around midlife, and then begins to decline. The OECD describes this as an inverted U-shaped profile, with employment peaking around age 45 before turning downward, and it notes that workers over 45 make up a disproportionate share of the long-term unemployed.
This is the longevity paradox in its most practical form. Longer lives increasingly require longer workspans, yet the structures that govern hiring, promotion, and development still narrow sharply after 45 to 50. The result is potential longevity without productive employment — not because capability disappears, but because opportunity does.
The mechanism is rarely explicit. Age bias seldom arrives wearing the label of discrimination. It arrives wearing respectable language. "Cultural fit." "High potential." "Energy." "Adaptability." "Long runway." "Overqualified." These terms read as neutral, but in practice they often function as proxies, quietly filtering out experienced candidates while preserving the appearance of meritocracy.
The data makes this difficult to dismiss as perception. In a field experiment published in Labour Economics, researchers sent thousands of fictitious résumés, spanning ages 35 to 70, to real employers. Callback rates began to fall substantially from the early 40s, and dropped further as applicants approached traditional retirement age. The decline was steeper for women. That pattern is not a misunderstanding. It is measurable behaviour.
The experience of workers tracks the same story. AARP research has found that a majority of workers aged 50 and over report encountering subtle forms of age discrimination. Subtle is the crucial word. It includes being left out of high-visibility work, assumptions about tech fluency, fewer development opportunities, and the quiet message that growth is for someone else.
Even hiring intent shows the same friction. In a 2025 submission to Australia's Productivity Commission on mature workforce participation, Michele Lemmens notes that only 56% of hiring managers indicate a willingness to hire workers aged 50 to 64, despite the stated need for skilled workers. That is a simple statistic with profound implications. It suggests the "shut out" is not only the experience of individuals. It is embedded in the selection logic of the market.
The economic irrationality becomes clearer when you look at unused capacity. Lemmens cites July 2025 Australian underemployment figures for 45 to 64 year olds that translate into millions of hours of desired work left unused in a single month: 723,000 hours for 45 to 49 year olds, 773,000 hours for 50 to 54 year olds, and 1.1 million hours for 55 to 64 year olds. This is the paradox quantified. At a time when organisations warn of skills shortages, the market leaves large volumes of experienced capacity idle.
The contradiction deepens further when you look at investment. OECD research shows participation in job-related training declines with age, falling from 41% among workers aged 45 to 54 to 24% among older workers. Organisations simultaneously complain about capability gaps and leadership bench weakness, then invest less in employability precisely where longevity makes reinvention most necessary.
None of this is merely an equity issue, though it is that. It is a design failure. Many of the traits organisations claim to need most are shaped by experience: judgment under uncertainty, stakeholder navigation, complex problem-solving, contextual thinking, and leadership that holds ambiguity without panic. In an AI-saturated workplace, technical skills still matter, but the premium often shifts toward these human capabilities that do not scale through automation. The irony is that companies pay for them twice — once by sidelining those who already have them, and again by hiring them back through consultants, accelerated leadership programmes, and constant rehiring.
A longevity-ready labour market requires a different operating model. It replaces proxy language with capability evidence. It measures time to impact, not "runway." It treats reskilling and mobility as normal in midcareer, not exceptional. It designs careers that can change shape — including internal second acts, phased intensity, and credible transition routes that preserve dignity and contribution. It measures age diversity across levels the way it measures other forms of talent concentration, because longevity is now a strategic variable.
The longevity conversation is incomplete without a new career strategy, both at the individual and organisational level. Healthspan and wealthspan matter, but they do not solve the problem of workspan. If opportunity collapses after 45 while life expectancy extends, the result is not only personal disruption. It is systemic waste.
In the longevity era, the limiting factor is rarely whether experienced professionals can adapt. The evidence suggests many already have. The harder question is whether our institutions are capable of recognising value when it does not come packaged as youth.
References
OECD, The Midcareer Opportunity (2023).
OECD, Working Better with Age (2019).
Eriksson, S. and Lagerström, J., “Age Discrimination in Hiring Decisions: Evidence from a Field Experiment in the Labor Market,” Labour Economics (2019).
AARP, research on age discrimination in the workplace (2024–2025).
Lemmens, M., The Longevity Economy Paradox: Reimagining productivity by rethinking wasted capacity in Australia’s mature workforce, Submission to the Productivity Commission (15 September 2025).