Aging or Ageing

A simple change in a letter can raise eyebrows, especially when it’s associated with the inevitable process that every human experiences: growing old. 

The terms “ageing” and “aging” are both correct, but their usage depends on the context and region. 

Let’s explore the differences and the reasons behind these variant spellings.

Historical Roots

Both “ageing” and “aging” have their roots in the verb “age,” which means to grow older or to cause someone or something to grow older. 

When turning this verb into a gerund or present participle to describe the process of growing older, we encounter the two variations in spelling.

Regional Differences

The primary distinction between “ageing” and “aging” lies in their regional usage. Here’s a breakdown:

  1. Aging: This spelling is prevalent in American English. So, if you are writing for an American audience or using American-style writing guidelines, “aging” is the appropriate choice.
  2. Ageing: This version is commonly used in British English and other forms of English outside of the United States, such as Australian and Canadian English. If your audience is predominantly British or from Commonwealth nations, “ageing” would be the preferred spelling.

The Silent ‘e’ Rule

The difference in spelling also stems from the rules regarding dropping the silent ‘e’ when adding a suffix in English. 

In American English, words often drop the silent ‘e’ when adding a suffix (e.g., “age” + “ing” = “aging”). 

However, in British English, this rule is not always consistently followed, hence “age” + “ing” becomes “ageing”.

Does the Meaning Change?

Regardless of the spelling, the meaning remains the same. “ageing” and “aging” describe the process of growing older or the associated characteristics and phenomena. 

Whether it’s about the biological changes our bodies undergo, the sociological implications of an aging population, or the study of lifespan, either spelling conveys the same concept.

When to Use Which?

In practical terms, it’s essential to be consistent and consider your audience:

  • Professional Writing: If you’re submitting a research paper, article, or any other professional document, always adhere to the style guide recommended or employed by the institution or publisher. Some may specify American English (thus “aging”) or British English (which would be “ageing”).
  • General Writing: If there’s no specific requirement, use the spelling that aligns with your regional dialect or the dialect of your primary audience. Remember, consistency is key. If you choose “aging”, stick with it throughout your piece, and vice versa.


Ultimately, the difference between “ageing” and “aging” is a matter of regional dialects and spelling conventions. 

Neither is incorrect, but it’s essential to choose one based on your audience and to maintain consistency in its use. 

With the understanding of this subtle distinction, writers can navigate the intricacies of English spelling with greater confidence.

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