Latest / The Demographics Podcast with Fexingo: Aging Populations, Birth Rates, and Economic Impact / How Falling Birth Rates Reshape the Automotive Industry
Transcript
- Lucas: Let's talk about cars. Not the ones on dealer lots in June 2026, but the ones being engineered right now for a world with fewer young buyers. Luna: Because falling birth rates don't just shrink the market for diapers. They slowly reshape everything else — including what we drive. Lucas: Exactly. And the most concrete case study is Japan. Japan's population peaked in 2008 — it's down by about three million since then. The fertility rate is around one point two. That means fewer twenty-somethings getting driver's licenses. Luna: How much fewer? Do you have a number? Lucas: Yeah, the number of new drivers under thirty in Japan dropped roughly forty percent between 2000 and 2020. The country's total vehicle sales peaked in 1990 at about seven point eight million units. Last year they were under four point five million. Luna: That's a massive contraction. So automakers like Toyota and Honda can't just keep building the same sedans and hoping a smaller population buys them. Lucas: They can't. And they've been responding. Toyota, for instance, has been pushing a concept they call 'mobility for all'. It's not just about selling cars — it's about subscriptions, autonomous shuttles for seniors, and ultra-compact city vehicles. Luna: Haven't they actually launched a subscription service in Japan? I remember reading about Kinto — Toyota's mobility brand. Lucas: Right, Kinto. It launched a few years ago. You pay a monthly fee — insurance, maintenance, tax all included — and you can swap vehicles as your needs change. It's aimed squarely at urban millennials and Gen Z who don't want to own a car. Luna: And at older drivers who might want to downsize from a Camry to a tiny two-seater without a big purchase decision. Lucas: Exactly. Honda's taking a different route — they're leaning into autonomous work vehicles and micro-mobility. They've got a partnership with a startup called Tier IV on self-driving shuttles for retirement communities. Luna: So the product mix is shifting away from the family sedan. But what about the used-car market? Fewer young buyers also means less turnover. Lucas: That's a really good question. In Japan, used-car prices have actually been stable — but the composition is changing. Older cars are staying on the road longer because there's less demand for new ones. The average age of a car on Japanese roads is now over thirteen years. Luna: That has implications for repair shops, parts suppliers — even gas stations. A slower turnover means fewer oil changes, fewer tire replacements. Lucas: Right. And the insurance industry is watching this closely. Fewer young drivers means fewer high-premium customers. Car insurance premiums in Japan have been flat to declining for a decade. Some insurers are pivoting to usage-based policies. Luna: Let's widen the lens. Is this only a Japan story, or are we seeing similar patterns in Europe and Korea? Lucas: South Korea's fertility rate is even lower — zero point seven two as of last year. Their domestic auto market is shrinking too. Hyundai and Kia are doubling down on exports and on electric vehicles, but domestic sales have been declining since 2015. Luna: And Europe? Germany's birth rate is around one point six. Still above Japan and Korea, but declining. Lucas: In Germany, new car registrations peaked in 2019 and haven't recovered. But the interesting thing is that the mix is shifting toward premium and luxury — because the shrinking cohort of buyers tends to be older and wealthier. BMW and Mercedes are doing well in Germany, while volume brands like Opel struggle. Luna: So the industry bifurcates. Luxury for the aging wealthy, and then cheap mobility solutions for the young who can't or won't buy. Lucas: That's exactly it. And this is where the economics gets really interesting. The whole supply chain is built around scale — high fixed costs for assembly plants, R&D, tooling. If total addressable market shrinks, you need higher margins per vehicle or you need to consolidate. Luna: We've seen consolidation already — the merger talks between Honda and Nissan a couple years back, even though they didn't finalize it. Lucas: Right. That was driven partly by the demographic pressure. Two mid-sized Japanese automakers trying to survive a shrinking home market. I think we'll see more of that — joint ventures, platform sharing, maybe outright mergers. Luna: What about the mobility startups? There's a Tokyo company called OpenStreet that's doing car-sharing for seniors — they deliver a car to your door, you use it for a few hours, they pick it up. Lucas: Yeah, and they're growing fast because they solve a real demographic problem: older people who've given up their license but still need to go to the doctor or the grocery store. That's a niche that traditional automakers are only now waking up to. Luna: It feels like the entire legacy auto model was built on a demographic pyramid that's now inverted. The question is whether they can adapt quickly enough. Lucas: If walking through the economy with us has made something click, we hope you'll consider supporting what we do. We deliberately keep this show free of advertising — no sponsor breaks, no product placements. That's a choice we've made from the start. Luna: And listener support is what makes that possible. If you find value in these conversations, you can contribute at buy me a coffee dot com slash fexingo. It's a simple way to keep the show independent. Lucas: So back to the auto industry — there's one more angle I want to get into. The shift in consumer preferences isn't just about age, it's also about urbanization. Falling birth rates correlate with more people living in cities, and city dwellers are less likely to own cars. Luna: In Tokyo, something like ninety percent of trips under a kilometer are made on foot or by bicycle. Car ownership per household in central Tokyo is below thirty percent. Lucas: Exactly. So automakers are having to rethink not just what they build, but how they sell it. Some are testing direct to consumer models, others are partnering with ride-hailing apps. The era of the dealership being the primary sales channel is ending in dense urban markets. Luna: And that has huge implications for real estate — dealerships on expensive city land become economically unviable. Lucas: Right. Ford, for example, has been experimenting with smaller 'urban showrooms' that are more like brand experiences than sales lots. But the economics are still unproven at scale. Luna: Let's talk about the global supply chain for a second. If Japan's domestic market shrinks further, Toyota might shift more production overseas. That affects jobs in Japan, but also the parts suppliers that are clustered around their factories. Lucas: That's already happening. Toyota's domestic production has fallen from about four million units in 2007 to under three million last year. Meanwhile their overseas production has grown. So the demographic pressure is literally moving factory floors across borders. Luna: What about the aftermarket? Fewer new cars sold means fewer parts needed for new car production, but more parts needed for older cars that stay on the road. Lucas: That's a real shift. Companies like Denso and Aisin — major Japanese parts suppliers — are seeing their OEM business shrink while their aftermarket business grows. They're retooling some factories to focus on replacement parts for vehicles ten to fifteen years old. Luna: So the entire ecosystem is reorienting. Not just the automakers, but everything downstream. Lucas: And upstream too. Raw material demand changes. If you're building fewer cars, you need less steel, less aluminum, less rubber. But if those cars are heavier and more electric, you need more lithium, more copper, more rare earths. Luna: It's a fascinating, complex web. I want to circle back to one thing: the subscription models. Do you think they'll become the norm, or are they just a niche? Lucas: I think they'll grow, but they won't replace ownership entirely. The economics work best for people who drive less than ten thousand kilometers a year — which is a growing segment in aging societies. But for high-mileage users, ownership still makes more sense. Luna: So we're looking at a future where the automotive industry is smaller, more fragmented, and more service-oriented. Fewer cars, but more ways to use them. Lucas: That's the direction. The companies that survive will be the ones that stop thinking of themselves as car manufacturers and start thinking of themselves as mobility providers. Demographics are forcing that shift whether they like it or not. Luna: And the next time you see a tiny electric kei car in Tokyo, you'll know it's not just a vehicle — it's a demographic response. Lucas: Exactly. Thanks for listening to The Demographics Podcast. We'll be back next week with another angle.