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
CEO of Professional Science Editing for Scientists @ prosciediting.com
approximately one in every
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "approximately one in every" is correct and usable in written English.
It can be used when discussing statistics or probabilities to indicate a rough estimate of frequency or occurrence. Example: "Approximately one in every five people will experience anxiety at some point in their lives."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
46 human-written examples
More than eight million people around the world play World of Warcraft — approximately one in every thousand on the planet — and whenever Li is logged on, thousands of other players are, too.
News & Media
In fact, 72% of people who "complain to a brand via Twitter expect a response within an hour". Approximately one in every three minutes spent online is spent on a social network or messaging, for a daily average of one hour and 58 minutes.
News & Media
Approximately one in every nine to 10 deaths is a civilian.
News & Media
Across the world, approximately one in every 100 children develops an autism spectrum disorder.
Academia
The global black market for seafood is worth more than $20 billion, and approximately one in every five fish consumed globally is caught illegally.
News & Media
In tests with C. reinhardtii, approximately one in every ~ 3 × 107 initial cells contained an edited version of the targeted FKB12 gene (i.e., an average of ~ 3 colonies with an edited FKB12 gene per electroporation using 108 initial cells).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
14 human-written examples
Approximately one in fourteen people on the planet now live in one of Europe's 27 Member States.
News & Media
In California, approximately one in five or 81,000 Medicare beneficiaries every year end up re-hospitalized within 30 days of discharge for a medical condition that led to the original hospitalization.
News & Media
Every year, approximately one in three adults over the age of 65 years fall, and approximately one in two adults over the age of 80 years fall. 1 Falls can lead to injuries including wrist sprains, bruises, and hip fractures, or even death.
Thus, one in nine of the adult population (and approximately one in six women) are now prescribed ADs every year.
"We focused on MODY, a form of diabetes that affects approximately one in 10,000 people.
Academia
Expert writing Tips
Best practice
When using "approximately one in every", ensure the context provides a clear denominator for the proportion (e.g., "approximately one in every 1000 births"). This adds clarity and prevents misinterpretation.
Common error
Avoid using "approximately one in every" when more precise data is available. If exact figures are known, using the approximation can undermine the credibility of your statement.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "approximately one in every" functions as a quantitative adjective, modifying a noun phrase to indicate an estimated proportion or ratio. It is used to provide a general sense of frequency or prevalence, rather than a precise figure. Ludwig AI indicates that it commonly modifies nouns related to populations, occurrences, or measurements.
Frequent in
Science
39%
News & Media
35%
Academia
13%
Less common in
Formal & Business
4%
Encyclopedias
2%
Wiki
0%
Ludwig's WRAP-UP
In summary, "approximately one in every" is a versatile phrase used to express estimated proportions across various domains. According to Ludwig, it's grammatically correct and most frequently found in scientific and news media. The phrase serves to make statistical data more accessible by framing it in relatable terms. While "approximately" indicates an estimation, overstating precision should be avoided. Alternatives like "roughly one in every" or "about one in every" can be used for slight variations in tone. Given its broad applicability and clear communicative function, "approximately one in every" remains a valuable tool for expressing proportions in both formal and informal contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
roughly one in every
Replaces "approximately" with "roughly", maintaining the meaning but with a slightly less formal tone.
about one in every
Uses "about" instead of "approximately", offering a more casual and less precise estimation.
around one in every
Similar to "about", "around" provides a less exact estimate compared to "approximately".
nearly one in every
Emphasizes that the proportion is close to one in every specified number.
almost one in every
Similar to "nearly", indicating a proportion that is just shy of one in every specified number.
on average, one in every
Adds the qualifier "on average" to emphasize that the proportion is a mean value.
typically one in every
Suggests that the stated proportion is the usual or expected occurrence.
one in approximately every
Reverses the order and adds "approximately" after "in" maintaining the same level of accuracy with a slightly different sentence structure.
an estimated one in every
Emphasizes that the proportion is based on an estimation rather than precise counting.
one out of approximately every
Uses "one out of" to convey the proportion, with "approximately" still indicating an estimate.
FAQs
How can I rephrase "approximately one in every" to sound more formal?
For a more formal tone, consider using phrases like "an estimated one in every", or "it is estimated that approximately one in every".
Is it correct to say "about one in every" instead of "approximately one in every"?
Yes, "about one in every" is a valid alternative, though it's slightly less precise and more informal. It works well in general conversation or less formal writing.
What does "approximately one in every" mean?
It means that, based on an estimation, for every specified number of items or people, about one of them exhibits a particular characteristic or condition.
Which contexts are best suited for using "approximately one in every"?
This phrase is versatile and can be used across various contexts. According to Ludwig, it is frequently found in scientific, news, and academic writing, making it suitable for both formal and somewhat informal scenarios.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested