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
by which sector
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by which sector" is correct and usable in written English.
It can be used when referring to a specific sector or industry in a context where you are discussing categorization or classification. Example: "The report analyzes the economic impact by which sector the funds were allocated."
✓ Grammatically correct
News & Media
Science
Alternative expressions(2)
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
1 human-written examples
Oxfam provides a list of the world's billionaires, broken down by which sector they work in.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
So the accounts try to show, for instance, how many tonnes of carbon dioxide are emitted by which sectors of an economy, and how those amounts are changing.
News & Media
For Guardly, it's something that came about in part due to client requests, so there's definitely an appetite out there for this sort of thing, but we'll see how quickly it gets adopted, and by which sectors first.
News & Media
The standards by which public sector actions and decisions are scrutinized and evaluated must be applied also to the activities of the private sector especially when they will adversely effect livelihoods and the well being of local communities.
News & Media
Pawson and Tilley's [ 13] proposition for realist explanation provided a useful framework for the exploration of the mechanisms by which health sector reforms affect health workers' micro environments, thus changing provider incentives and creating a multitude of responses.
Science
Since ISF health sector engagement can present unprecedented opportunities for health system protection and recovery, as well as pose dangers and risks, it should follow that there exist mechanisms by which health sector actors can work with ISFs to carefully manage their engagement.
Science
Although the mechanism by which white sectors are generated in nontransgenic petunia is known to be due to RNA silencing of the CHS-A gene as in cosuppression, whether the same trigger(s) and/or pattern of RNA degradation are involved in these phenomena has not been known.
Science
It's important to know the amount of the implicit subsidy, because it is directly related to the amount by which the health sector is enlarged by public policy.
News & Media
The adiZones, like most public private partnerships and private finance initiatives, were a means by which the public sector could discharge its responsibilities – here, to offer sporting facilities to working-class youth – while also "encouraging business".
News & Media
In her book, Makers and Takers: The Rise of Finance and the Fall of American Business, Rana Foroohar, an assistant managing editor at Time magazine, presents a persuasive case that "financialization" - the phenomenon by which the financial sector has grabbed control of all aspects of American business is strangling the economy.
News & Media
Not only did these programs succeed in developing several new technologies that were introduced into developing countries but they provided an essential and invaluable means for designing and testing strategies by which the public sector could stimulate the development of health technologies for use in developing countries.
Expert writing Tips
Best practice
When using "by which sector", ensure that the sentence clearly indicates what is being categorized or influenced by the sector. This phrase is most effective when the relationship between the subject and the sector is direct and unambiguous.
Common error
Avoid using "by which sector" in sentences where the connection between the subject and the sector is unclear or implied. Ensure that the sector directly relates to the action or categorization being described; otherwise, rephrase for clarity.
Source & Trust
85%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by which sector" functions as a prepositional phrase, modifying a noun or verb by specifying the sector involved. It is used to categorize or qualify information based on the sector being discussed. As seen in Ludwig, the phrase helps to clarify the scope or perspective of the topic.
Frequent in
News & Media
35%
Science
35%
Formal & Business
10%
Less common in
Wiki
10%
Encyclopedias
5%
Academia
5%
Ludwig's WRAP-UP
In summary, the phrase "by which sector" is a grammatically sound prepositional phrase used to categorize or qualify information based on specific industries. Ludwig indicates that it is most commonly found in news, scientific, and formal business contexts. While grammatically correct and usable, its frequency is relatively rare, making it suitable for formal and analytical writing where specifying the relevant sector is crucial. Remember to use it in contexts where the connection between the subject and the sector is clear, and consider more common alternatives like "in which sector" for increased clarity or informality.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in which sector
This alternative replaces "by which" with "in which", offering a more direct way to specify the sector being referred to.
by industry
This replaces "sector" with the synonym "industry", which has very similar meaning.
by field
Using the term "field" in place of sector, denoting an area of activity or interest.
according to sector
This alternative uses "according to" to indicate that the information or analysis is organized or categorized by sector.
within which sector
Adding "within" emphasizes that something is contained or occurs inside the specified sector.
categorized by sector
This explicitly states that the subject is being organized or classified based on sector.
divided by sector
Similar to 'categorized by sector', this emphasizes the separation or division into different sectors.
across which sector
This alternative suggests a comparison or contrast spanning multiple instances of different sectors.
on a sector basis
This phrase highlights that something is being considered or analyzed individually for each sector.
per sector
This offers a concise way to express 'for each sector' or 'in each sector'.
FAQs
How can I use "by which sector" in a sentence?
Use "by which sector" to specify how something is categorized, influenced, or affected by a particular industry. For example, "The report analyzes the economic impact by which sector the funds were allocated."
What phrases are similar to "by which sector"?
Alternatives include "in which sector", "according to sector", or "categorized by sector", depending on the context.
Is "by which sector" formal or informal?
"By which sector" leans towards a more formal register, suitable for reports, academic papers, and business documents. In informal contexts, simpler alternatives like "in which sector" might be preferred.
What's the difference between "by which sector" and "in which sector"?
While both are similar, "by which sector" suggests a more direct influence or categorization, whereas "in which sector" simply specifies a location or context. The choice depends on whether you want to emphasize influence or location.
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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
85%
Authority and reliability
4.2/5
Expert rating
Real-world application tested