England had the highest levels of excess mortality in Europe across the first half of 2020, according to new analysis by the Office for National Statistics (ONS).

The country experienced the longest continuous period of excess deaths as well as the highest levels, a comparison of 23 European countries found.

It is the first time the ONS has compared mortality rates in different countries to measure the impact of the coronavirus pandemic.

By the week ending May 29, England had a relative cumulative age-standardised mortality rate of 7.55% – meaning it was 7.55% higher than the average mortality rate between 2015 and 2019.

Spain ranked second at 6.65%, followed by Scotland (5.11%), Belgium (3.89%) and Wales (2.78%).

England still had the highest cumulative excess deaths rate two weeks later, by the week ending June 12, though at this point there was only data available on 17 other countries to compare it with.

From February 14 to the week ending June 12, England experienced the second highest peak of excess deaths, after Spain, out of 21 countries with data available.

Edward Morgan, from the ONS’s health analysis and life events division, said the first half of 2020 saw “extraordinary increases” in mortality rates across Western Europe, when compared with the average over the past five years.

He said excess mortality was geographically widespread and prolonged in the UK, adding: “Combined with the relatively slow downward ‘tail’ of the pandemic in the UK, this meant that, by the end of May, England had seen the highest overall relative excess mortality out of all the European countries compared.”

Using the measure of all-cause mortality to calculate the impact of the pandemic means results are not affected by the different ways countries record Covid-19 deaths.

It also considers the indirect impacts of the pandemic, such as reduced or delayed access to care.

The ONS used weekly death registration data published by Eurostat and ONS data for England and Wales, National Records Scotland (NRS) data for Scotland, and Northern Ireland Statistics and Research Agency (Nisra) data for Northern Ireland.

It found little evidence of abnormal mortality rates in Eastern Europe.

Every local authority area in the UK experienced excess mortality between the weeks ending April 3 and May 8, while other countries in Western Europe experienced more localised excess deaths, the ONS said.

Asked if he was ashamed of the findings, Prime Minister Boris Johnson said the nation “has had a massive success” in reducing the number of deaths.

During a visit to North Yorkshire, he said: “We mourn every loss of life that we’ve had throughout the coronavirus epidemic.

“What I would say to them (families of the deceased) is that we really owe it to them to continue our work in driving the virus down.

“Clearly this country has had a massive success now in reducing the numbers of those tragic deaths.

“We’ve got it at the moment under some measure of control. The numbers of deaths are well, well down.

“But I have to tell you that we’re looking at a resurgence of the virus in some other European countries. You can see what’s been happening in the United States.”

Looking at major cities, the highest peak excess mortality was in Madrid, which saw levels of excess mortality in the week ending March 27 that were more than five times higher (or 432.7% higher) than the average expected mortality rate in 2015 to 2019.

In the UK, Birmingham was the city with the highest peak excess mortality (249.7% in the week ending April 17), followed by London (226.7% in the week ending April 17) and Manchester (198.4% in the week ending April 17).

Dr Veena Raleigh, senior fellow at The King’s Fund think-tank, said life expectancy improvements in the UK have lagged behind other European countries over the past decade and there is a “very real risk” the UK will slide further behind.

She said: “The priority for the UK is to control the pandemic and learn lessons ahead of a potential second wave, but it is also essential to tackle the underlying reasons for stalling life expectancy in recent years – many of which contribute to poor Covid-19 outcomes.”

Shadow health secretary Jonathan Ashworth said of the “devastating” statistics: “We can no longer hide from the fact the Government has not handled this crisis well and needs to urgently learn lessons from its mistakes.”

Regions in Spain, Italy and England made up the top 20 areas across Europe with the highest recorded peak mortality rates.

Areas in England included Brent, Enfield and Ealing, in Greater London, and Thurrock in Essex.

Brent was the worst affected area in England, experiencing the highest peak excess mortality – 357.5% in the week ending April 17.

The area with the highest peak mortality rate in Europe was Bergamo in Italy – 847.7% in the week ending March 20.