Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

closely in age

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "closely in age" is correct and usable in written English.
It can be used to describe two or more individuals who are of similar ages, often in contexts discussing relationships, comparisons, or family dynamics. Example: "The two brothers are closely in age, making them great playmates throughout their childhood."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

Ruth Bader Ginsburg just turned eighty-one, and she's followed closely in age by Antonin Scalia, seventy-eight; Anthony Kennedy, seventy-seven; and Stephen Breyer, seventy-five.

News & Media

The New Yorker

A sample consisted of 20 class III patients with no treatment who were under observation for class III treatment and matched closely in age and craniofacial morphology with the study groups were used as the control group.

21, followed most closely in age of death by 22 and 20 with a high number of 19-year-olds.

News & Media

Huffington Post

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

Pairs of females who were closely related, close in age, and closely ranked had significantly higher rates of conflict than other females (Wald x = 113.12, p < 0.0001, n = 975; Table  4).

Pairs of females who were more closely related, closer in age, and closer in rank had significantly stronger social bonds than other females (Wald x = 696.47, p < 0.0001, n = 975 dyads; Table  1).

But they're closely matched in age.

Tephra isochrons containing many shards can also contain material from several eruptions closely spaced in age.

The control subjects were closely matched in age, sex, and craniofacial morphology with the experimental subjects (Table 1).

However, for lightweight bridge decks in the mountain regions, it was not possible to find a companion normalweight bridge deck with a similar superstructure, that also closely matched in age, traffic, and geographic region.

Cases and controls in each disease group were closely matched in age and gender.

The final groups were closely matched in age (type 1 diabetes, 7.0 ± 1.4; HC subjects, 7.2 ± 1.6 years; Table 1).

Show more...

Expert writing Tips

Best practice

When comparing groups in research, especially in medical or social sciences, use "closely in age" to highlight that the subjects' ages are similar to minimize age-related confounding variables.

Common error

Avoid using "closely in age" if the age difference is significant. The phrase implies a minimal age gap; otherwise, use broader terms like "similar age range".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "closely in age" functions as an adverbial modifier describing the degree of similarity in age. It modifies a noun, typically people or subjects in a study, indicating they share a similar age range. As noted by Ludwig, the phrase is correct and usable.

Expression frequency: Rare

Frequent in

Science

70%

News & Media

15%

Academia

15%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "closely in age" is grammatically correct and generally used to describe individuals or groups with minimal age differences, as confirmed by Ludwig. Its most common application is within scientific, academic, or research contexts, although it may appear in news articles to describe cohorts or groups of people. Given its specialized use, the phrase is considered relatively rare compared to alternatives like "similar in age". When writing, use "closely in age" to underscore age similarity, particularly in studies where age could be a confounding variable. Its correct usage and the contexts in which it appears make it a valuable descriptive tool.

FAQs

What does "closely in age" mean?

The phrase "closely in age" means that two or more people or things are of similar ages, with only a small difference between them. It indicates a high degree of age similarity.

What can I say instead of "closely in age"?

You can use alternatives like "similar in age", "nearly the same age", or "of comparable age" depending on the context.

Is it correct to say "closely in age"?

Yes, it's grammatically correct and understandable to say "closely in age". Ludwig AI confirms its correct usage.

In what contexts is "closely in age" typically used?

"Closely in age" is often used in scientific studies when comparing groups, in family contexts to describe siblings, or in any situation where highlighting the similarity in age is important.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

83%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Most frequent sentences: