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
fertility rate
Grammar usage guide and real-world examplesUSAGE SUMMARY
"fertility rate" is correct and usable in written English.
You can use it to describe the average number of children that couples have in a specific population. For example, "The average fertility rate in the United States is 2.02 children per family."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(17)
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
The fertility rate began declining.
News & Media
The total fertility rate is contentious.
News & Media
So the dropping fertility rate is bad.
News & Media
Its fertility rate in 2014 was 2.01.
News & Media
The replacement fertility rate is 2.1.
News & Media
The new fertility rate lies between Tanzania and Iraq.
News & Media
In the early 1960's, Europe's fertility rate was 2.6.
News & Media
The fertility rate has also dropped by 40% since then.
News & Media
The fertility rate is now just slightly more than two.
News & Media
In general, the tempo of fertility is explained by so many indicators like Crude Birth Rate, General Fertility Rate, Age Specific Fertility Rate and Total Fertility Rate (TFR).
Academia
I know the global fertility rate has been dropping.
News & Media
Expert writing Tips
Best practice
When discussing "fertility rate", specify the geographic region or population to which you are referring. This provides necessary context and avoids generalizations.
Common error
Avoid using "fecundity" interchangeably with "fertility". "Fecundity" refers to the potential for reproduction, while "fertility" describes the actual number of live births.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fertility rate" functions as a noun phrase, specifically denoting a demographic statistic. It names a measurable rate that reflects the average number of children born to women in a population during their reproductive years. Ludwig indicates that it's correct and usable.
Frequent in
News & Media
63%
Science
28%
Formal & Business
3%
Less common in
Academia
2%
Encyclopedias
1%
Wiki
1%
Ludwig's WRAP-UP
The phrase "fertility rate" is a commonly used noun phrase that refers to the average number of children born to a woman over her lifetime, and it is considered grammatically correct. As confirmed by Ludwig, it is appropriate for use in various contexts, spanning from neutral news reports to formal academic research. The phrase is most frequently found in "News & Media" and "Science". When writing about "fertility rate", it's important to specify the population or region being discussed to provide context. Be careful to differentiate it from "fecundity", which refers to the potential for reproduction rather than actual births.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
birth rate
Focuses specifically on the number of births within a population, rather than the broader factors influencing fertility.
total fertility rate (TFR)
A more precise measurement referring to the average number of children born to a woman during her reproductive years.
natality rate
A formal term for birth rate, emphasizing the process of being born.
population growth rate
Refers to the overall increase in population size, which is influenced by fertility, mortality, and migration.
reproductive rate
Emphasizes the capacity of a population to reproduce, encompassing both fertility and survival rates.
childbearing rate
Highlights the rate at which women are having children.
birth statistics
Focuses on numerical data related to births, providing a quantitative perspective on fertility trends.
demographic reproduction
A broader term referring to the process by which a population replaces itself over time.
family size trends
Indicates how the average number of children per family is changing over time.
generational replacement rate
A demographic metric that focuses on whether each generation is producing enough offspring to replace itself.
FAQs
How is "fertility rate" typically measured?
The "fertility rate" is commonly measured as the average number of children that would be born to a woman over her lifetime if she experienced the current age-specific fertility rates throughout her reproductive years.
What factors can influence the "fertility rate" in a population?
Many factors influence the "fertility rate", including access to healthcare, education levels, economic conditions, cultural norms, and government policies related to family planning.
How does the replacement "fertility rate" affect population size?
The replacement "fertility rate", which is roughly 2.1 children per woman, is the rate at which a population exactly replaces itself from one generation to the next, without migration. A rate below 2.1 typically leads to population decline over time.
What are some alternatives to using the term "fertility rate" in writing?
Depending on the context, you could use terms like "birth rate", "natality rate", or "childbearing rate". The "total fertility rate (TFR)" is a more specific measure.
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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested