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
one year previously
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "one year previously" is correct and usable in written English.
It can be used to refer to a time that is one year before a specific point in time, often in narratives or reports. Example: "The event took place one year previously, marking a significant milestone in the project's timeline."
✓ Grammatically correct
News & Media
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
39 human-written examples
An IDC report found India the fastest growing smartphone market in Asia — over 23 million smartphones were shipped in Q3 2014, according to the firm, which represented an 82percentt growth on one year previously.
News & Media
While obesity rates based on nurse measures were markedly higher than obesity rates based one year previously on self-reported height and weight, there was a strong association between the two measures with 90% of people identified as obese at Wave 1 also being identified as obese at Wave 2 (Kappa = 0.67; OR = 69.9 (57.5-85.1), p < 0.001).
Science
The diurnal rhythm of swimming upwards and downwards follows the rhythm of the marine tide that pertains to the locality whence the progenitors of the larvae were collected on an earlier date, maybe up to one year previously.
Japan officially halted commercial whaling in 1987 in response to an international moratorium declared one year previously.
News & Media
He had taken his team to the brink of an NFC title just one year previously – and although he came up short against New York last January, he seemed to have learned a few lessons since then.
News & Media
BP signed a multimillion-dollar contract for work in Iraq with a firm that had been linked to corruption allegations in the country one year previously, the Panama Papers reveal.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
21 human-written examples
All patients received HR-pQCT of the metacarpophalangeal (MCP) joints II and III of the dominantly affected hand at resolution of 82 × 82 × 82 µm voxel size using an XtremeCT scanner (SCANCO Medical AG, Brüttisellen, Switzerland) at baseline and after one year as previously described [ 1, 2].
SolarAid aims to distribute 1m solar lights over the year – to achieve in one year what has previously taken six.
News & Media
Notably, contactless payments will exceed $1 trillion for the first time in 2018 – one year earlier than previously estimated.
News & Media
In addition, 10 × 10 m quadrats were set at three campsites abandoned one or a half year previously, and photographs were taken on the four vertexes and the center of each quadrat (15 points in total).
Science
In the social housing sector, bond issuance has increased significantly since the start of the financial crisis (32 issues since mid-2008, compared with an average of one or two a year previously).
News & Media
Expert writing Tips
Best practice
In scientific or formal writing, maintain consistency by using “one year previously” throughout the document when referring to past occurrences, ensuring uniformity in your temporal references.
Common error
Avoid vague language like “before” or “earlier” without specifying the timeframe. Always clarify with “one year previously” or a similar phrase to ensure the reader knows the exact period being discussed.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "one year previously" functions as an adverbial phrase, modifying a verb or clause to specify a time frame. It indicates that an action or event occurred one year before a particular point in time. This is consistent with Ludwig's examples, where the phrase clarifies the temporal context of events.
Frequent in
Science
40%
News & Media
30%
Formal & Business
10%
Less common in
Wiki
10%
Academia
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "one year previously" functions as an adverbial phrase that specifies a time frame one year before a reference point. Ludwig AI indicates that it is grammatically correct and suitable for use in professional, academic, and journalistic contexts. While it is not overly formal, it is less common in informal conversation. Alternatives include "a year before", "the previous year", and "a year earlier". When using this phrase, ensure clarity by providing a clear reference point. Ludwig's examples demonstrate its application across diverse fields, emphasizing its role in providing precise temporal context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
A year before
More concise and direct, suitable for informal contexts.
One year prior
More formal alternative, emphasizing sequence.
The previous year
Refers specifically to the year immediately preceding the current one.
A year earlier
Highlights the earlier occurrence of an event or situation.
Twelve months prior
More precise, suitable for technical or formal contexts.
One year before that
Adds emphasis on the temporal distance.
In the preceding year
Formal and emphasizes the year's position in a sequence.
The year before last
Refers to two years before the present year.
A twelvemonth before
Uses "twelvemonth", a less common synonym for "year".
A year in the past
Emphasizes the past nature of the timeframe.
FAQs
How can I use "one year previously" in a sentence?
You can use "one year previously" to specify that something occurred a year before a particular event or time. For example, "The study built upon research conducted "one year previously"."
What can I say instead of "one year previously"?
Alternatives to "one year previously" include "a year before", "the previous year", or "a year earlier". The best choice depends on the specific context and desired level of formality.
Is it correct to say "one year prior" instead of "one year previously"?
Yes, "one year prior" is a correct and often more formal alternative to "one year previously". Both phrases indicate the same timeframe, but "prior" may be preferred in more formal writing.
What's the difference between "last year" and "one year previously"?
"Last year" refers specifically to the year immediately before the current year. "One year previously" indicates a year before a stated reference point, which may or may not be the current year. Thus, "one year previously" provides a relative point of reference rather than an absolute one.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested