average lifespan

USAGE SUMMARY

"average lifespan" is correct and can be used in written English.
You can use it when discussing the average length of life for a specific species or group of organisms. For example, "The average lifespan of a genus of bird is six years."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

The average lifespan was about 40 years.

The New York Times

Now the average lifespan is well under two years.

The Guardian

The average lifespan is, what, a couple of years?

The Guardian

The average lifespan for laboratory monkeys is 27.

The New York Times - Health

But nothing then could promise you an average lifespan.

The New York Times

The average lifespan of post-menopausal Finns was 68.

The Economist

The average lifespan in some countries is under 50.

The Economist

"The average lifespan of a theatre across the 18th and 19th centuries was 17 years.

The Guardian

Suppose that in 50 years a great breakthrough extends the average lifespan by hundreds of years.

The Economist

The average lifespan is nearly 80 for men, and over 86 for women.

The New York Times

When Medicare began in 1965, the average lifespan in America was 70.

The New York Times

Expert writing Tips

Best practice

When comparing the "average lifespan" across different groups, specify the conditions or factors that might influence the results, such as diet, environment, or healthcare access.

Common error

Avoid using "average lifespan" when referring to a single individual. Instead, use terms like 'life expectancy' or 'duration of life' for specific cases.

Linguistic Context

The phrase "average lifespan" functions primarily as a noun phrase, often serving as the subject or object of a sentence. It refers to the typical duration of life for a given population or entity, as illustrated in Ludwig's examples.

Expression frequency: Very common

Frequent in

News & Media

34%

Science

44%

Wiki

9%

Less common in

Formal & Business

4%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "average lifespan" is a common and grammatically sound noun phrase used to describe the typical duration of life. As Ludwig AI confirms, it's appropriate for discussions across diverse fields like science, news, and general knowledge. While "average lifespan" enjoys widespread use, remember to specify influencing factors when comparing groups. Steer clear of using it when referring to individuals, opting for phrases like "life expectancy". With a neutral register, this phrase maintains its relevance across formal and informal contexts, making it a versatile term in quantifying longevity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

life expectancy

Focuses on the expected length of life, often in demographic contexts.

mean life span

Synonymous, using 'mean' as a statistical measure of central tendency.

average duration of life

A more descriptive and literal alternative.

typical longevity

Emphasizes the length of life achieved, using 'longevity'.

expected years of life

Focuses on the anticipation of how many years one can expect to live.

average time alive

Simple, direct, and emphasizes the period of being alive.

median lifespan

Statistical measure indicating the midpoint of lifespan distribution.

approximate lifespan

Highlights that the lifespan is not exact, only an estimation.

usual duration of existence

A more formal and philosophical alternative.

life duration

Concise and emphasizes the duration aspect of life.

FAQs

What does "average lifespan" mean?

The "average lifespan" refers to the typical length of time an organism or object is expected to live or function. It is a statistical measure representing the mean duration of life for a specific group.

How is "average lifespan" calculated?

The "average lifespan" is calculated by summing the lifespans of all individuals in a population and dividing by the number of individuals. Factors such as genetics, environment, and healthcare can influence this calculation.

What factors can affect "average lifespan"?

Many factors influence "average lifespan", including genetics, diet, lifestyle, environmental conditions, access to healthcare, and socioeconomic status. These factors can vary significantly between populations and species.

What are some alternatives to using the phrase "average lifespan"?

Depending on the context, you can use alternatives such as "life expectancy", "mean life span", or "typical longevity" to convey a similar meaning.