'Is there a special word for people who are between 30 to 50'?

[Twilit1988]

My dear and respected teachers,

1: ''Is there a special word for people who are between 30 to 50''?

2: ''He is older than me by 2 years.'' correct?

[Milanya]

1. middle age?
2. He is two years my senior. He is two years older than I am.
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con·text - The part of a text or statement that surrounds a particular word or passage and determines its meaning.

[Moslemam]

1. Middle aged: usually considered to occur approximately between the ages of 40 and 60, though, the boundary between middle age and old age cannot be defined exactly because it does not have the same meaning in all societies. In many parts of the world, people are considered old because of certain changes in their activities or social roles. Examples: people may be considered old when they become grandparents, or when they begin to do less or different work — retirement.

2. Formal form: He is two years older than I am.
Informal form: He is two years older than me.

[Kitosdad]

Sometimes referred to as, "old teenagers", according to the way in which they dress and behave.
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If you need me, I'm here.

[Milanya]

Middle age is usually 10 years older than you are now. Regardless of your current age.
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con·text - The part of a text or statement that surrounds a particular word or passage and determines its meaning.

[Gray]

Interesting and funny too

What happens to our curiosity to learn when we age? Do we think somewhere that we have learned enough or learning anything further is not going to do any good to us?
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First lesson - English, not english. I, not i. ~A student of English

[Milanya]