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Health inequalities in a nutshell

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Health inequalities are avoidable, unfair and systematic differences in health between different groups of people. Here we examine the key data on this complex and wide-ranging issue.

What are health inequalities?

Health inequalities are avoidable, unfair and systemic differences in health between different groups of people. Health inequalities are experienced between different groups of people and are often analysed across four main categories: socio-economic factors (for example, income); geography (for example, region); specific characteristics (for example, ethnicity or sexuality); and socially excluded groups (for example, people who are seeking asylum or experiencing homelessness). The effects of inequality are multiplied for those who have more than one type of disadvantage.

Infographic showing health inequalities across different groups. It reports a median age at death of 63 for people with learning disabilities and a mean age at death of 45 for homeless men; Black infants have 6 deaths per 1,000 live births, more than double white infants. It also shows 13% of Gypsy or Irish Travellers report bad or very bad health, and 52% of LGBTQ+ people have experienced depression.

How are they measured?

Health inequalities can be measured by differences in health outcomes among different groups of people. For example, in England life expectancy varies depending on where people live. People living in the most deprived areas have a life expectancy nearly a decade shorter than those living in the least deprived areas (76 years in Blackpool compared to 84 years in Kensington and Chelsea).

Map of England showing life expectancy at birth by local authority for 2021–23. Areas are shaded from lighter to darker teal to indicate lower to higher life expectancy, ranging from about 76.1 to 84.7 years, highlighting variation of almost a decade across the country.

The deprivation gap

The gap between people living in the most deprived and the least deprived areas is even wider when it comes to healthy life expectancy, which is a measure of how much time people spend in good health over the course of their lives. Those in the most deprived areas can expect to live almost 20 fewer healthy years than those in the least deprived areas.

Bar charts showing healthy and unhealthy life expectancy by deprivation decile in England, 2022–24, split by males and females. In the most deprived areas, people spend far fewer years in good health, with a gap of nearly 20 years in healthy life expectancy compared with the least deprived areas, even though total life expectancy is similar.

Influence of a wide range of factors

Health inequalities are caused by a wide range of factors. Worse health outcomes occur when people have limited access to health care, experience poorer- quality care, and practise more risky health-related behaviours (for example, smoking).

These factors are often influenced by wider determinants such as income, housing, environment, transport, education and work. Tackling health inequalities requires an understanding of the complex interaction between all these factors.

Bar chart comparing health risk factors in the least and most deprived areas in England. The most deprived areas show higher rates of overweight or obesity (71% vs 62%), physical inactivity (41% vs 22%) and smoking (17% vs 7%), while higher‑risk alcohol drinking is more common in the least deprived areas (12% vs 9%).

In 2020, life expectancy in England fell for the first time since 2000. Life expectancy fell the most for people in the most deprived areas. This was partly due to the Covid-19 pandemic, which disproportionately affected those already experiencing health inequalities, such as those living in the most deprived areas and people from ethnic minority backgrounds. The aftermath of the pandemic has had a different impact on different parts of the population, and health inequalities have widened further. For example, health inequalities can be seen in the waiting list for non-urgent health care, where those living in more deprived areas are more likely to wait longer for treatment.

Bar chart showing changes in life expectancy in England after the pandemic by deprivation decile, comparing males and females. Life expectancy fell most in the most deprived areas and has only partially recovered, while small increases are seen in less deprived areas, with females showing slightly larger gains than males. Provide your feedback on BizChat
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Further reading

Health inequalities is a complex and wide-ranging issue. To learn more about it, read:

  • Scatter plot with two sets of data points in teal and dark green, each with a trend line, showing a positive correlation.

    What are health inequalities?

    This explainer provides an overview of how health inequalities are experienced in England’s population.

  • Tackling health inequalities on NHS waiting lists

    Our report looks at how identifying health inequalities and adopting an inclusive approach to NHS waiting lists has been used to reduce the backlog after the Covid-19 pandemic.

  • What is happening to life expectancy in England?

    This article examines trends in life expectancy at birth up to 2022, the impact of Covid-19 on life expectancy, gender differences and inequalities in life expectancy, causes of the chan...

  • Equity and endurance: how can we tackle health inequalities this time?

    There have been many attempts to tackle health inequalities over the past three decades, but none has resulted in the lasting change that is needed. This long read draws out what can be ...

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