Back in 2014 the UK population was projected to be closing in on 75m by 2040.
Latest projections, released today, suggest we’ll have barely more than 70m people by then.
This is a big change.
Some will argue it’s good news. Others bad.
Either way, it’s enormously consequential.
According to the latest official population projections, the UK’s total fertility rate is now 1.59 (long term average of children per woman).
Down from 1.78 in 2018. BIG drop taking it down from comfortably above the OECD avg to below it (tho OECD avg will prob also fall too).
Blimey.
While overall UK population is projected to rise for the foreseeable future, @ONS projections say the Scottish population has now nearly peaked and will be falling quite rapidly by the middle of the century.
Whether this turns out to be right or not, it’s quite a chart.
Another interesting q (h/t @stevewebb1): what does this spell re pensions?
Life expectancy at pension age is now 2yrs shorter than prev thought (mostly a pre-Covid effect btw).
So do we need to reconsider raising state pension age so fast? Due to rise to from 66 to 68 by 2039…

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More from @EdConwaySky

10 Jan
How many people have died in this country since the beginning of the pandemic?
How does the toll compare with history?
And was 2021 any “better” for mortality than 2020?
Now that we have nearly all the data from 2021 it’s time for an update🧵
Let’s begin with the official death toll, as portrayed on the @UKHSA gov.uk dashboard.
This recently passed 150k and while the numbers are much lower day-by-day than in previous periods, the seven day avg hasn’t dropped below 100 since August. Ugh
But the official toll (150k) is not the only one.
There’s also the ONS toll, based on the no of death certificates where Covid is mentioned: 175k
This overstates it since 10%ish are primarily from other causes.
Then there’s excess deaths (deaths from all causes vs 5yr avg): 151k
Read 16 tweets
9 Jan
It is the great paradox of addressing climate change: in order to go green we may have to do MORE dirty things: burning fossil fuels, digging stuff out of the ground.
The thing we want to escape is the very thing we need to help us escape.
We are not talking enough about this! 🧵
Let’s start by pondering a couple of recent contentious decisions: the first was the decision to shelve the Cambo oilfield in the Shetlands. Shell recently pulled out. The project may not go ahead reuters.com/business/energ…
There are engineering reasons why Cambo might not have made sense: it’s quite distant/deep and the crude is quite “heavy” meaning you need to heat it, and hence expend a lot of energy/carbon to get it to shore. But there was also much political opposition huffingtonpost.co.uk/entry/everythi…
Read 28 tweets
24 Dec 21
A few tweets on how we treat absence of evidence and neutrality of science.
Building in a sense from this excellent @slatestarcodex blog astralcodexten.substack.com/p/the-phrase-n…
When omicron appeared we knew v little save for some of its genomic features and fact that it was spreading fast in S Africa.
Ensuing weeks have been unsettling because the virus has spread faster than our ability to understand key features - eg virility & vaccine resistance
Up until quite recently there has been a consistent message from public health officials:
a) we know boosters work. So much so that, says @SajidJavid, 3x doses will soon be considered a "full course" eg not two
b) there's "no evidence" omicron is necessarily milder/less virulent
Read 16 tweets
22 Dec 21
A quick tour through the Covid data as of the latest number. Slightly more bad news than good, but that doesn’t mean there’s no good. Let’s start with the overall UK picture. That 106k number a new daily record. And possibly not the last.
The good news is that for the time being the divergence between cases and admissions remains evident for the UK as a whole. Look at the red line vs the black line and look how different that relationship was last winter (eg before vaccines). Amazing really…
But you get a better sense of what’s going on by looking not at UK but at London, where most case growth is. This chart (hat-tip to @PaulMainwood for the concept) shows where we are vs the winter wave. On bright side, the blue/red lines aren’t going up in lockstep with cases.
Read 8 tweets
14 Dec 21
Remember this from last night, on the front of pretty much every paper this morning?
The claim that Omicron is infecting 200,000 people every DAY.
There’s been a lot of speculation about whether the number is wrong, based on new data, or something else.
Well, I’ve worked it out🧵
TLDR it’s a back-of-an-envelope sum worked out by @UKHSA to illustrate where Omicron *might* be.
Not new data.
Not definitive.
This doesn’t mean it’s not a valid illustrative number.
But it’s not quite what everyone thought it was.
Let me show you how they came up with it.
It starts with this.
Infections (a modelled estimate of how many people catch Covid at any given time) are not the same as the number of cases (positive test results).
Infections are always higher cos not everyone gets symptoms/tested.
Eg on 21 Nov: 35k cases, 78k infections
Read 16 tweets
1 Dec 21
NEW: @OECD chief economist @LaurenceEco tells me the Omicron variant is an urgent reminder that rich countries need to do more to help poorer countries get vaccinated.
“As long as the global population is not vaccinated, this type of variant can come in and bring restrictions.”
“We G20 countries have spent about $10tr to support our economies in the pandemic – it costs $50bn to bring vaccines to the entire population,” said @LauBooneEco. “As long as the world stays as is we’re going to see countries which are going to have to shut down their economies.”
Full story here: @OECD warns that the rich world must be prepared for more variant-related shocks if it doesn’t help vaccinate poor countries: news.sky.com/story/help-vac…
Read 13 tweets

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