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
which demands
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which demands" is correct and usable in written English.
You can use it to introduce a clause that specifies a requirement or expectation related to a subject mentioned earlier in the sentence. Example: "The project, which demands a high level of collaboration, requires all team members to communicate effectively."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(5)
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
60 human-written examples
Which demands a European-wide response.
News & Media
But it is her voice which demands attention.
News & Media
"This is a time which demands stable majority government".
News & Media
The ambiguity, which demands a double take, is deliberate.
News & Media
For it's a book which demands repeated use.
News & Media
This appeases public opinion, which demands robust anti-terrorism action.
News & Media
Valerius disagreed: To a child, "sick" means physical illness which demands family members stay nearby.
News & Media
"The state's deficit has gotten worse, which demands immediate and dramatic action," Mr. Sampson said.
News & Media
Air-conditioning which demands tremendous flow of water, is one of greatest industrial uses.
News & Media
This faction believes that the national debt poses a serious threat which demands austerity policies.
News & Media
And much of the choral work, which demands precision, is hazy and ragged.
News & Media
Expert writing Tips
Best practice
When using "which demands", ensure the clause is nonrestrictive and adds extra information that isn't essential to the sentence's core meaning. Use commas to set off the "which demands" clause.
Common error
A common mistake is using "which demands" when "that demands" is more appropriate. Use "that" for essential clauses that define the noun, and "which" for nonessential clauses that add extra information. If the clause is essential, use "that demands" instead.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which demands" functions as a relative clause, specifically a nonrestrictive clause, that modifies a noun phrase by adding extra, non-essential information about it. Ludwig examples show it connecting a subject with a requirement or consequence.
Frequent in
News & Media
40%
Science
35%
Formal & Business
10%
Less common in
Encyclopedias
5%
Wiki
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "which demands" is a grammatically correct relative clause used to introduce a nonrestrictive element specifying a requirement or consequence. Ludwig AI confirms its proper usage in various contexts. It's most frequently found in News & Media and Science, maintaining a neutral to formal tone. When writing, remember to use "which" for nonessential clauses and "that" for essential ones. Consider alternatives such as "that requires" for simpler expression.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that requires
Replaces "which demands" with a more straightforward expression of requirement.
that necessitates
Emphasizes the inevitability of the demand.
that calls for
Suggests a need for a specific action or quality.
which necessitates
A more formal substitute indicating something is essential.
that stipulates
Implies a condition or requirement set down in an agreement or law.
that obliges
Highlights the binding nature of the requirement.
which dictates
Suggests a command or authoritative requirement.
that compels
Indicates a forceful requirement.
that mandates
Emphasizes an official or legal requirement.
which compels
Indicates an element of enforcement to meet a need.
FAQs
How can I use "which demands" in a sentence?
Use "which demands" to introduce a nonrestrictive clause that adds extra, non-essential information about a noun. For example, "The project, which demands a high level of collaboration, requires all team members to communicate effectively."
What are some alternatives to "which demands"?
You can use alternatives like "that requires", "that necessitates", or "that calls for depending on the context.
When should I use "that demands" instead of "which demands"?
Use "that demands" for essential clauses that define or restrict the noun. "Which demands" is used for nonessential clauses that add extra information. If the clause is essential to the sentence's meaning, use "that demands".
Is it grammatically correct to start a sentence with "which demands"?
No, "which demands" should not start a sentence. It introduces a relative clause that modifies a noun phrase already mentioned in the sentence. Starting a sentence this way would result in a fragment or grammatical error. Ensure there is a clear subject to which "which demands" refers back to.
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.
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
4.5/5
Expert rating
Real-world application tested