Millennials are killing the car, and other lessons from the DVLA database of driving licences

See what you’re missing? Image: Getty.

For much of the late 20th century, the mark of reaching adulthood was acquiring your first car. It didn’t much matter that, at 17, its duties were mainly limited to travelling to a menial job or picking up mates to go into town – the fact that you could just get up and go to John O’Groats on a whim was part of the appeal.

But recent data released by the DVLA suggests that driving is losing its popularity among younger people. Only 538,000 licenses are held by those aged 25, who number around 900,000 in total. By comparison, 54 year olds – the most saturated year group – share 880,000 licenses among 937,000 people.

This is clearly a massive decline, and not one easily explained by the lacklustre Top Gear cast change. But what can this data tell us about Britain today, and what the future looks like?

Young people are more urban, and likely to stay that way

Millennials and Gen Z – that is, everyone under 40 – are far more likely to be in full-time education or work, and that overwhelmingly draws them to urban areas where a car is far less necessary for short journeys. Given that major public transport infrastructure also tends to cluster around cities, it makes far more economic sense for many of them to use buses, trains, and the occasional Uber than to cover fuel, insurance and parking costs on a permanent basis.

Similarly, a car is a mixed blessing for a generation used to short-term renting rather than long-term lets or property ownership – it’s useful for moving, but an additional expense which rules out city-centre living in many properties without access to parking.

The question we don’t yet know the answer to is what happens in two decades, when the non-driving generation displaces the biggest drivers as the cohort in middle age. The trend has historically been for young people to move to cities, then to migrate outwards to suburbs or countryside as they age, raise families and later retire.

But without as many cars, with rural public transport inevitably less advanced than that in urban centres, and with the age at which people have their first child increasing, it’s plausible that the younger generation will buck the trend, remaining in cities longer and accelerating the trend of urbanisation.

The Centre for Towns data on migration out of London demonstrates that this trend may already be underway. With the exception of the Home Counties and Cornwall, those leaving the capital are not leaving it for suburbs or small towns, but for other large cities – Birmingham, Bristol, Manchester, Leeds and Nottingham, to name a few.

The destination of migrants from London. Interactive version here. Source: Centre for Towns.

Our roads are about to get emptier

Besides the ten licenses held by those over 105, the number of drivers starts to drop with the age cohort born in 1964 and earlier – and goes off a cliff once people pass 68. This is a consequence of the increased cost of insurance premiums, the additional bureaucracy of mandatory license renewal every three years, and increasing health problems which rule out driving. These factors are not about to disappear, and the huge numbers of drivers currently between 40 and 60 look likely to drop out of the system over the next two decades.

Licences held by age. Image: author provided.

That drop is likely to coincide with the rise of driverless vehicles, increased use of ride-sharing apps, and increasing urbanisation, all of which raises the scent of the CityMetric reader’s dream – a chance to phase out private vehicle ownership more generally, to the benefit of our emissions statistics, air pollution rates, and road traffic fatality figures.

But as we live in the bad timeline, I wouldn’t get your hopes up. The difficulty and expense of running adequate public transport to cover small towns and villages in the countryside is just too great, at least for now. Still, a reduction in traffic is no bad thing.

Among young people, driving is more egalitarian than ever

There is no age bracket where women drivers outnumber men – the masculine image of the activity probably contributes to this discrepancy – but among young people who do drive, the gap is narrower than for any other group. Among 24 year olds, 93 women hold a license for every 100 men, while the equivalent figure for 50 year olds is just 87. This distinction is larger than it appears – 24 year olds are 52-48 per cent male, while the 50 year olds are 51-49 per cent female.

Drivers by gender. Image: author provided.

It’s the oldest generations where the divide becomes truly stark – of the 1,288 licenses held by 97-year olds, just 351 belong to women. Bear in mind, too, that thanks to differing life expectancies, there are almost three times as many 97 year old women as men.


The ratio shoots up dramatically among those aged 80 or older. The cohort of people born before the war would have come of age in the 1940s and 1950s, before widespread car ownership and when gender roles were far more strictly defined than would later be the case, but it’s still striking just how many nonagenarian men are confident in their abilities behind the wheel.

As numbers of license holders drop, it might be that younger generations show a re-emergence of the gender gap, as the declining popularity of driving ceases to mask discrepancies in work-related license ownership for heavily male occupations, such as hauliers, delivery drivers, construction workers and road maintenance crews. Then again, if the move away from driving proves terminal, it may not.

If you’d like to dig through the data and uncover more trends in our distribution of driving licenses, you can access the full dataset here.

 
 
 
 

Green roofs improve cities – so why don’t all buildings have them?

The green roof at the Kennedy Centre, Washington DC. Image: Getty.

Rooftops covered with grass, vegetable gardens and lush foliage are now a common sight in many cities around the world. More and more private companies and city authorities are investing in green roofs, drawn to their wide-ranging benefits which include savings on energy costs, mitigating the risk from floods, creating habitats for urban wildlife, tackling air pollution and urban heat and even producing food.

A recent report in the UK suggested that the green roof market there is expanding at a rate of 17 per cent each year. The world’s largest rooftop farm will open in Paris in 2020, superseding similar schemes in New York City and Chicago. Stuttgart, in Germany, is thought of as “the green roof capital of Europe”, while Singapore is even installing green roofs on buses.

These increasingly radical urban designs can help cities adapt to the monumental challenges they face, such as access to resources and a lack of green space due to development. But buy-in from city authorities, businesses and other institutions is crucial to ensuring their success – as is research investigating different options to suit the variety of rooftop spaces found in cities.

A growing trend

The UK is relatively new to developing green roofs, and governments and institutions are playing a major role in spreading the practice. London is home to much of the UK’s green roof market, mainly due to forward-thinking policies such as the 2008 London Plan, which paved the way to more than double the area of green roofs in the capital.

Although London has led the way, there are now “living labs” at the Universities of Sheffield and Salford which are helping to establish the precedent elsewhere. The IGNITION project – led by the Greater Manchester Combined Authority – involves the development of a living lab at the University of Salford, with the aim of uncovering ways to convince developers and investors to adopt green roofs.

Ongoing research is showcasing how green roofs can integrate with living walls and sustainable drainage systems on the ground, such as street trees, to better manage water and make the built environment more sustainable.

Research is also demonstrating the social value of green roofs. Doctors are increasingly prescribing time spent gardening outdoors for patients dealiong with anxiety and depression. And research has found that access to even the most basic green spaces can provide a better quality of life for dementia sufferers and help prevent obesity.

An edible roof at Fenway Park, stadium of the Boston Red Sox. Image: Michael Hardman/author provided.

In North America, green roofs have become mainstream, with a wide array of expansive, accessible and food-producing roofs installed in buildings. Again, city leaders and authorities have helped push the movement forward – only recently, San Francisco created a policy requiring new buildings to have green roofs. Toronto has policies dating from the 1990s, encouraging the development of urban farms on rooftops.

These countries also benefit from having newer buildings, which make it easier to install green roofs. Being able to store and distribute water right across the rooftop is crucial to maintaining the plants on any green roof – especially on “edible roofs” which farm fruit and vegetables. And it’s much easier to create this capacity in newer buildings, which can typically hold greater weight, than retro-fit old ones. Having a stronger roof also makes it easier to grow a greater variety of plants, since the soil can be deeper.


The new normal?

For green roofs to become the norm for new developments, there needs to be buy-in from public authorities and private actors. Those responsible for maintaining buildings may have to acquire new skills, such as landscaping, and in some cases volunteers may be needed to help out. Other considerations include installing drainage paths, meeting health and safety requirements and perhaps allowing access for the public, as well as planning restrictions and disruption from regular ativities in and around the buildings during installation.

To convince investors and developers that installing green roofs is worthwhile, economic arguments are still the most important. The term “natural capital” has been developed to explain the economic value of nature; for example, measuring the money saved by installing natural solutions to protect against flood damage, adapt to climate change or help people lead healthier and happier lives.

As the expertise about green roofs grows, official standards have been developed to ensure that they are designed, built and maintained properly, and function well. Improvements in the science and technology underpinning green roof development have also led to new variations on the concept.

For example, “blue roofs” increase the capacity of buildings to hold water over longer periods of time, rather than drain away quickly – crucial in times of heavier rainfall. There are also combinations of green roofs with solar panels, and “brown roofs” which are wilder in nature and maximise biodiversity.

If the trend continues, it could create new jobs and a more vibrant and sustainable local food economy – alongside many other benefits. There are still barriers to overcome, but the evidence so far indicates that green roofs have the potential to transform cities and help them function sustainably long into the future. The success stories need to be studied and replicated elsewhere, to make green, blue, brown and food-producing roofs the norm in cities around the world.

Michael Hardman, Senior Lecturer in Urban Geography, University of Salford and Nick Davies, Research Fellow, University of Salford.

This article is republished from The Conversation under a Creative Commons license. Read the original article.