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
every four years
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'every four years' is correct and usable in written English.
You can use it when you are describing something that happens periodically. For example, "Voters go to the polls every four years to elect new representatives."
✓ Grammatically correct
News & Media
Academia
Science
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
EVERY four years, the silly season comes to Europe.
News & Media
Happens every four years.
News & Media
Every four years.
News & Media
Yet every four years they disappoint.
News & Media
THE Olympics take place every four years.
News & Media
Once every four years and all that.
News & Media
But once every four years, that changes.
News & Media
Participants filled out questionnaires every four years.
News & Media
No less than once every four years.
Academia
"We'll see him once every four years.
News & Media
It is held every four years.
Science & Research
Expert writing Tips
Best practice
When describing trends or changes over extended periods, consider using "every four years" to represent an average rate or interval. This helps simplify complex data into understandable chunks.
Common error
Avoid assuming every four-year period perfectly aligns with leap years. While leap years occur approximately "every four years", the precise timing involves more complex rules (excluding century years not divisible by 400).
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "every four years" primarily functions as an adverbial phrase of frequency. It modifies a verb or clause to indicate how often an action or event occurs. Ludwig AI confirms this through numerous examples showing its consistent use in specifying temporal intervals.
Frequent in
News & Media
51%
Academia
22%
Wiki
13%
Less common in
Science
9%
Encyclopedias
3%
Formal & Business
2%
Ludwig's WRAP-UP
The phrase "every four years" is a common and grammatically correct adverbial phrase used to indicate the frequency of an event. As confirmed by Ludwig AI, it functions to specify that something occurs at intervals of four years. Its usage spans various contexts, including news, academia, and general discourse, maintaining a neutral tone suitable for diverse audiences. While "every four years" is widely understood, alternative phrases like "quadrennially" can offer more formal options. Remember the importance of linking the phrase to specific events for clear understanding. Source analysis suggests that its application is most frequent in "News & Media", "Academia", and "Wiki".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
quadrennially
This single-word adverb directly expresses occurrence every four years.
once every quadrennium
Replaces "four years" with its Latin-derived equivalent, 'quadrennium', adding a touch of formality.
at four-year intervals
Specifies the occurrence using 'intervals' which describes the temporal separation.
occurring every fourth year
Describes the frequency by specifying the position in the year sequence.
on a four-year cycle
Highlights the cyclical nature of events repeating every four years.
every 48 months
Replaces "years" with "months" offering a different unit of time while maintaining semantic equivalence.
every 1460 days
Breaks down the time period to days to specify the intervals.
every olympiad
Relates to the Olympic Games, which take place every four years, contextualizing frequency.
in cycles of four years
Emphasizes the recurring nature of the event using the term 'cycles'.
every presidential term
Uses the length of a presidential term as a reference. Only applicable in the US political context.
FAQs
How can I use "every four years" in a sentence?
You can use "every four years" to describe events that occur at that frequency, such as "The World Cup is held "every four years"".
What's a more formal way to say "every four years"?
A more formal alternative is "quadrennially", which directly means "every four years".
Is it correct to say "each four years" instead of "every four years"?
While "each" and "every" can sometimes be interchangeable, "every four years" is the more common and natural way to express that something happens at four-year intervals. "Each four years" is less idiomatic.
What events typically happen "every four years"?
Several major events occur "every four years", including the Summer Olympics, the FIFA World Cup, and presidential elections in the United States.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested