Meaning and Usage
"増加" (ぞうか) means "increase" or "addition" and is commonly used in both formal and informal contexts to describe the growth or rise in numbers, quantities, or amounts.
Common Contexts
It is often used in statistics, business, population studies, and any situation where numerical growth is discussed.
Collocations and Patterns
- 増加する: to increase (verb form)
- 増加率: rate of increase
- 人口の増加: population increase
- 売上の増加: sales increase
Nuances
Using "増加" implies a measurable or noticeable rise. It is more formal than casual verbs like "増える" and often appears in written or official contexts.
Common Mistake
Learners sometimes confuse "増加" with "増える". "増加" is a noun and often used with "する" to form a verb, while "増える" is an intransitive verb meaning "to increase". For example, "人口が増える" vs. "人口の増加".