Glossary entry (derived from question below)
Portuguese term
Juventude
Não tenho certeza se está correto traduzir para "young people" e "youth", respectivamente.
| 5 +1 | youth |
Oliver Simões
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| 4 | Youthfulness |
Andrew Bramhall
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| 4 | Youngsters/Youth |
Bianca Dedini
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Sep 26, 2021 23:00: Oliver Simões Created KOG entry
Non-PRO (2): Felipe Tomasi, Mario Freitas
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Proposed translations
United States
BA in Transl., MA in ESL, 15 yrs of exp.
Native in: Portuguese 
Works in: English to Portuguese, Portuguese to English, Spanish to Portuguese, and 2 more.
youth
As such, I would use "youth". See title of ths book:
Youth and the New Adulthood
Generations of Change
https://www.springer.com/gp/book/9789811533648
Talking of which, "generation of change" sounds like a good translation for "geração mutante". Good luck!
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Note added at 1 hr (2021-09-18 22:02:37 GMT)
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Youth: especially : the period between childhood and maturity
https://www.springer.com/gp/book/9789811533648
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Note added at 1 hr (2021-09-18 22:11:51 GMT)
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Clearly, youth can be regarded as a process. Google search retrieved 680,000 results for "youth as a process": https://www.google.com/search?q="youth as a process"
United Kingdom
Flair and accuracy tailored to your text
Native in: English 
Works in: Spanish to English, German to English
Youthfulness
Youthfulness = the state of being young;
| neutral |
Oliver Simões
: Youthfulness doesn't fit in here. Youthfulness: the quality or state of being young (Merriam Webster). Quality and state are not the same as "process". https://www.merriam-webster.com/dictionary/youth
1 hr
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Brazil
Graduated Doctor, Psychiatry Specialist
Native in: Portuguese (Variants: Brazilian, European/Portugal)
Works in: English to Portuguese, Portuguese to English
Youngsters/Youth
Youngster: 1. A young person; a child or youth.
Youth: 1. the quality or condition of being young, immature, or inexperienced.
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