The OBR's fiscal outlook in five charts

The OBR looked at fiscal sustainability today. Here's what they found.

Forecasting is hard

Page 106, thanks to Ed Conway

I'll admit, I have an idiosyncratic sense of humour. But still, I laughed out loud at this tangle of lines, which shows the OBR's best attempts to forecast oil and gas revenues. It's reminiscent of the woefully optimistic IMF forecasts for Greek GDP, excel that instead of being consistently wrong in the same direction, it's more like a child just scribbled a lot of lines on the chart.

Unfortunately, the oil and gas revenues remain important. Thanks to the long-standing decline in productivity in the sector, a function of the drying-up of North Sea oil fields, it usually imparts a massive downward pressure on the quarterly GDP figures, which means that getting the predictions accurate is crucial for getting the overall figure accurate.

Migration saves us money

Page 147, thanks to Jonathan Portes

If you care about public sector debt, really the absolute best thing you can do is remove restrictions on migration. Migrants are educated by their home country, and frequently retire there too; in the meantime, they work hard, pay their taxes, and have a lower-than-average crime rate.

The "high migration" scenario is of the average net migration being slightly more than double what the ONS uses as its baseline assumption, with 260,000 people coming in on net compared to 140,000. That's a lot more than normal, but it's not outside the realm of political possibility. Just think what a fully open-borders policy could do for the national accounts…

At the other end, the ONS looks at what "zero net migration" would do. Remember that zero net migration is actually the government's explicit policy, so it's already a bit damning that the ONS instead works on the assumption that they will fail to hit it by 140,000 people. But when we look at the stats, it's clear that we should be glad of that. Zero net migration would push the debt:GDP ratio over 100 per cent by 2050.

Young people and old people cost money

Page 78, thanks to Chris Giles

Again, nothing which will blow your mind: the state spends money educating young people, caring for old people, and providing health services to both, while the people in the middle pay the bills. What's interesting are the two crossover points – roughly 23 and 67 years old – where people go from being, on average, a contributor to a benefactor or vice versa, as well as the curious level of the peak of tax contributions, at just under 50.

You are never going to retire

Page 117

The thick line is the OBR's best guess of what changes to the pension age are going to do to the proportion of people between 65 and 74 working: around a 66 per cent increase, to just over a quarter of those people working by 2045. That already comes after a doubling of the rate in the last twenty years:

We are never ever ever getting time off work.

This is all just guesswork

Page 11

Finally, an important reminder that the long-term projections are as vague as can be. In fact, discussing them in terms of fiscal policy is almost nonsensical. What they are instead is predictions of demographic change mapped on to current policy. So if the nation continues ageing as it looks like it will be, and if we fail to do reform the state pension in that time, then the national debt will start rising on current policies in 2037.

Obviously, it's nonsense to act as though all our policies will be the same in 2017, let alone 20 years after that, but it's the only way talk about the future at all.

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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Leader: The angry middle

As a sense of victimhood extends even to the middle classes, it makes Western democracies much more difficult to govern.

Two months after the United Kingdom’s vote to leave the European Union, it remains conventional wisdom that the referendum result was largely a revolt by the so-called left behind. Yet this is not the full picture. Many of the 52 per cent who voted Leave were relatively prosperous and well educated, yet still angry and determined to deliver a shock to the political system. We should ask ourselves why the English middle class, for so long presumed to be placid and risk-averse, was prepared to gamble on Brexit.

Populism has long appealed to those excluded from political systems, or from a share in prosperity. In recent years, however, its appeal has broadened to young graduates and those on above-average incomes who also feel that they have not benefited from globalisation. The sense of middle-class victimhood has become a major strand in Western politics.

In the United States, middle-class anger has powered support for Bernie Sanders and Donald Trump. The former drew his activist base mostly from young liberals. And while Mr Trump’s success in the Republican primaries was often attributed to a working-class insurrection against “the elites”, exit poll data showed that the median yearly income of a Trump voter was $72,000, compared with a national average of $56,000. (For supporters of Hillary Clinton, the figure was roughly $61,000.) It is not the have-nots who have powered Mr Trump’s rise, but the have-a-bits.

In the UK, similar forces can be seen in the rise of Jeremy Corbyn. Indeed, research shows that three-quarters of Labour Party members are from the top social grades, known as ABC1. About 57 per cent have a degree.

Mr Sanders, Mr Trump and Mr Corbyn have very different policies, ideologies and strategies, but they are united by an ability to tap into middle-class dissatisfaction with the present order. Some of that anger flows from politicians’ failure to convey the ways in which society has improved in recent years, or to speak truthfully to electorates. In the UK and much of the West, there have been huge gains – life expectancy has risen, absolute poverty has decreased, teenage pregnancy has fallen to a record low, crime rates have fallen, and huge strides have been made in curbing gender, sexual and racial discrimination. Yet we hear too little of these successes.

Perhaps that is why so many who are doing comparatively well seem the most keen to upset the status quo. For instance, pensioners voted strongly to leave the EU and are the demographic from which Ukip attracts most support. Yet the over-65s are enjoying an era of unprecedented growth in their real incomes. Since 2010, the basic state pension has risen by over four times the increase in average earnings. 

Among young people, much of their anger is directed towards tuition fees and the iniquities of the housing market. Yet, by definition, tuition fees are paid only by those who go into higher education – and these people receive a “graduate bonus” for the rest of their lives. Half of school-leavers do not attend university and, in a globalised world, it is their wages that are most likely to be undercut by immigration.

However, we should not be complacent about the concerns of the “angry middle”. The resentment exploited by Donald Trump is the result of 40 years of stagnant median wages in the United States. In Japan and Germany, median wages have not increased in the past two decades. In the UK, meanwhile, the median income for those aged 31-59 is no greater than it was in 2007, and those aged 22-30 are 7 per cent worse off, according to the Institute for Fiscal Studies.

To compound the problem, the wealthy keep getting wealthier. In 1980, American CEOs were paid 42 times the wage of the average worker. They are now paid 400 times as much. In the UK, the share of household income going to the top 1 per cent has more than doubled since 1979. Because of our hyperconnected, globalised media culture, we see more of the super-rich, fuelling feelings of resentment.

As a sense of victimhood extends even to the middle classes, it makes Western democracies much more difficult to govern, with voters oscillating between populists of the left and the right. The political centre is hollowing out. Rather than pander to the populists, we must do more to quell the politics of victimhood by addressing the root of this corrosive sense of grievance: entrenched inequality. 

This article first appeared in the 25 August 2016 issue of the New Statesman, Cameron: the legacy of a loser