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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
are approximately equally
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are approximately equally" is correct and usable in written English.
It can be used when discussing quantities, values, or characteristics that are similar or comparable in degree or amount. Example: "The two teams are approximately equally skilled, making the match highly competitive."
✓ Grammatically correct
Science
Encyclopedias
Alternative expressions(3)
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
18 human-written examples
Even interpreting it as an approximation, it is unlikely that someone believes some range of values are approximately equally likely, but a value slightly outside that range is (approximately) impossible.
Leptosols are approximately equally distributed among high mountain areas, deserts, and boreal or polar regions, where soil formation is limited by severe climatic conditions.
Encyclopedias
Astrocytomas of the optic chiasm and hypothalamus make up 10%to15%15 % of supratentorial tumours in children; males and females are approximately equally affected.
Science
Of the 168 landraces from India that are not part of the Assam Rice Collection, aus-1 and aus-2 are approximately equally represented (32 aus-1, 28 aus-2 and 38 aus-admix).
Science
The buriedness-index is calculated by investigating the molecular environment of a grid probe in an elaborate scanning process: Scans are being performed along 30 directions that are approximately equally distributed around a grid probe.
Science
From this observation, it follows that signals with tonal components that are approximately equally distributed in the Nyquist interval can be better represented with an all-pole model than signals that have their tonal components concentrated in a selected region of the Nyquist interval.
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
The included 7,900 students were approximately equally divided across grade levels (see Table 1).
One observation is that the bound is approximately equally good within the area where the sensor nodes are placed.
These values mean that the mostly present fractal dimension is approximately equally probable for all 3D video representation formats.
The data suggest that the total 4670 km stream network was approximately equally divided between defined channels (28% perennial and 17% intermittent) and undefined channels (55% ephemeral).
These two distinct behaviours were approximately equally distributed along the rainy season and strongly driven by the extent of coupling between surface and subsurface water.
Science
Expert writing Tips
Best practice
When comparing distributions or proportions, use "are approximately equally" to indicate a similarity that doesn't require precise mathematical equality. This is particularly useful in scientific and statistical reporting where perfect equality is rare.
Common error
Avoid using "are approximately equally" when the quantities or values are known to be significantly different. This phrase implies a level of similarity that should be supported by evidence or reasonable estimation.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are approximately equally" functions as an adverbial phrase modifying a verb, indicating the degree to which two or more entities share a similar attribute or quantity. Ludwig provides examples showcasing its use in scientific and general contexts.
Frequent in
Science
85%
Encyclopedias
9%
Formal & Business
6%
Less common in
News & Media
0%
Social Media
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "are approximately equally" is a grammatically correct adverbial phrase used to express that two or more things share a similar attribute or quantity without being exactly the same. As confirmed by Ludwig, its usage is most common in scientific and academic contexts, lending a neutral to formal tone to writing. While direct equality isn't stated, it implies a meaningful level of similarity. Ludwig's examples show the phrase is versatile, appearing across scientific journals and encyclopedias. When writing, remember that using this phrase requires quantities to be similar and not significantly different.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are nearly equal
Replaces "approximately" with "nearly", suggesting a slightly higher degree of closeness.
are roughly equivalent
Substitutes "approximately equally" with "roughly equivalent", implying a general similarity rather than precise equality.
are more or less equal
Uses "more or less" to convey approximate equality, adding a touch of informality.
are about the same
Replaces the formal "approximately equally" with the more casual "about the same".
are of comparable magnitude
Uses "comparable magnitude" to denote approximate equality in a quantitative sense.
are in the same ballpark
Employs the idiom "in the same ballpark" to express approximate equality, suitable for informal contexts.
are practically identical
Replaces "approximately" with "practically", suggesting a very high degree of similarity, close to being the same.
are virtually indistinguishable
Indicates that the items being compared are so similar as to be hard to tell apart.
are close in value
Focuses on the similarity in numerical value between the items being compared.
are on par with each other
Uses the idiom "on par with each other" to suggest comparable standing or level.
FAQs
How can I use "are approximately equally" in a sentence?
Use "are approximately equally" to indicate that two or more things have a similar quantity, value, or characteristic. For example, "The two candidates "are approximately equally" qualified for the position".
What are some alternatives to "are approximately equally"?
Alternatives include phrases like "are nearly equal", "are roughly equivalent", or "are about the same", depending on the context.
Is it correct to say "is approximately equally"?
No, the correct form is "are approximately equally" when referring to multiple subjects. "Is approximately equally" would only be correct if referring to a single subject that has been divided into multiple, near-equal portions, which is a less common usage.
What's the difference between "are approximately equally" and "are exactly equal"?
"Are approximately equally" indicates a similarity, but not a perfect match. "Are exactly equal" means the quantities or values are identical. Use ""are approximately equally"" when precision is not required or not possible.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested