mean life expectancy

USAGE SUMMARY

The phrase "mean life expectancy" is correct and can be used in written English.
It refers to the average lifespan of a group or population. You can use it when discussing statistics or comparing life expectancies between different groups. Example: The study revealed that the mean life expectancy in developed countries is significantly higher than in developing countries.

✓ Grammatically correct

Science

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Equally, the high survival rates of the malaria vectors (mean probability of daily survival of 0.92, annual mean life expectancy of 21.9 days and expected mean infective life of 7.4 days) suggest a high vector potential for the species [ 19].

BMC Infectious Diseases

HDI combines a country's per-capita gross national income (GNI) as determined by The World Bank, mean life expectancy of the population and mean or expected years of schooling of that country's citizens.

Heart

The mean life expectancy of a Gambel's Quail is only about 1.5 years.

Cornell University

Comparison was made with mean life expectancy in corresponding birth cohorts.

European Journal of Obstetrics & Gynecology and Reproductive Biology

Nowadays, mean life expectancy is estimated to be 74, 67, and 58 years for those with mild, moderate, and severe learning disabilities, respectively.

The Lancet

It is concerned not simply with scientific research that advances western medicine but also with poverty, injustice, environmental destruction, and war - the factors that mean life expectancy in the poorest countries is little over 30.

The Guardian - Opinion

Pulmonary fibrosis includes several lung disorders characterized by scar formation and Idiopathic Pulmonary Fibrosis (IPF) is a particularly severe form of pulmonary fibrosis of unknown etiology with a mean life expectancy of 3 years' post-diagnosis.

Advanced Drug Delivery Reviews

The mean life expectancy was estimated to be 80.0 years (standard error [SE]: 1.05).

Health Economics Review

The United States is close to England and Wales in mean life expectancy but has higher life expectancy losses and lacks mortality compression.

Duke University

Mean life expectancy worldwide has doubled to more than 70 years, due in large part to medical and public health interventions developed with NIH funding.

Science Magazine

The mean life expectancy following diagnosis is approximately six years.

Wikipedia

Expert writing Tips

Best practice

Clearly distinguish between "mean life expectancy" at birth versus at a specific age. These values can differ significantly.

Common error

Avoid using "mean life expectancy" interchangeably with healthspan. While life expectancy refers to the average number of years a person is expected to live, healthspan refers to the average number of years a person is expected to live in good health. One can increase without necessarily increasing the other.

Linguistic Context

The phrase "mean life expectancy" functions as a noun phrase, typically serving as the subject or object of a sentence. It quantifies the average duration of life within a specific population, as supported by Ludwig examples.

Expression frequency: Very common

Frequent in

Science

65%

Academia

20%

News & Media

10%

Less common in

Formal & Business

3%

Wiki

1%

Encyclopedias

1%

Ludwig's WRAP-UP

The phrase "mean life expectancy" is a commonly used and grammatically correct noun phrase that refers to the average number of years a group of people is expected to live. As Ludwig AI confirms, it's most frequently found in scientific and academic contexts, but also appears in news and media. When using this phrase, it's important to specify the population being analyzed and avoid confusing it with related concepts like healthspan. While "average life expectancy" is a close synonym, "mean life expectancy" offers a specific nuance when precise statistical data is involved. Remember to be clear about whether you're discussing life expectancy at birth or at a specific age, as these figures can vary significantly.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

average life expectancy

This is a synonym with a slightly different emphasis on the statistical measure.

average lifespan

Focuses more broadly on the duration of life without necessarily implying a statistical calculation.

life expectancy at birth

Specifically refers to life expectancy calculated from the time of birth.

expected years of life

Emphasizes the prediction aspect of life expectancy.

predicted survival duration

More clinical and specific, focusing on survival time.

years of potential life

Highlights the potential lifespan an individual or group might have.

mortality rate

Focuses on the rate of death, an inverse measure related to life expectancy.

survival rate

Focuses on the rate of survival, also related but distinct from life expectancy.

longevity

General term for long life, less precise than "mean life expectancy".

health expectancy

Considers the years lived in good health, a more nuanced measure.

FAQs

How do I correctly use "mean life expectancy" in a sentence?

Use "mean life expectancy" when referring to the average number of years a group of people is expected to live. For example, "The "mean life expectancy" in Japan is among the highest in the world."

What factors influence "mean life expectancy"?

Several factors impact "mean life expectancy", including healthcare quality, nutrition, sanitation, access to clean water, and environmental conditions. Socioeconomic status and lifestyle choices also play significant roles.

How does "mean life expectancy" differ from individual life expectancy?

"Mean life expectancy" represents an average for a population, while individual life expectancy is a prediction for a single person. Individual life expectancy depends on personal factors that are not captured in population averages.

What are some alternatives to "mean life expectancy"?

You can use alternatives like "average life expectancy" or "average lifespan". The best choice depends on the specific context and the nuance you wish to convey.