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Prepositions after verbs

Difference between 'raise in' and 'raise by'

Raise by usually refers to the amount of increase. Raise in appears in specific contexts such as raising standards in an area or raising someone in a place or culture.

Quick answer

When to use 'raise by' and 'raise in'

Use raise by to show the amount of increase: raise prices by 10%. Use raise in in expressions such as raise standards in schools or be raised in a city.

They raised salaries by 5%
She was raised in Canada
The company raised prices by $2
We need to raise standards in public transport

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
raise by + amount

Showing the size of an increase

Use by to state how much something increases.

The bank raised interest rates by 1%
They raised the budget by $500
2
raise in + place or field

Showing location or area

In can refer to the place where someone grew up or the field where improvement happens.

He was raised in a bilingual household
The report called for higher standards in education
3
raise + object

Using 'raise' without a following preposition

Raise often takes a direct object with no extra preposition.

They plan to raise taxes next year
She raised a question during the meeting

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
raise by
The store raised prices by 3%.
shows the amount of increase
raise in
She was raised in Madrid.
shows location or environment
raise in
The charity wants to raise awareness in rural areas.
the preposition belongs to the following place phrase, not directly to raise
raise + object
They raised wages.
standard direct-object pattern

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using 'in' for amounts

Use by for the amount of increase.

✕ They raised fees in 10%. ✓ They raised fees by 10%.

Adding an unnecessary preposition

Raise often works directly with an object.

✕ They raised up the prices by 5%. ✓ They raised the prices by 5%.

Confusing place and amount

In refers to a place or area, not the size of change.

✕ The company raised profits in 2%. ✓ The company raised profits by 2%.

Quick practice

Choose the expression that matches the intended meaning.

1. The company raised wages ___ 4%.
2. She was raised ___ a small coastal town.
3. We need to raise standards ___ healthcare.

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Frequently asked questions

Can 'raise by' be used with money?

Yes. It commonly appears with prices, salaries, taxes, and budgets.

Is 'raise in' always connected directly to the verb?

No. Sometimes in belongs to a following noun phrase, such as in education or in the city.

Can I say 'raise awareness by'?

Yes, when you mean the method: raise awareness by running a campaign.

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