up to the third decade of life / in late adulthood

sunyaer

Senior Member
Chinese
I found a sentence in a model answer to a test question at http://www.ielts-exam.net/academic_writing_samples_task_1/162/

"The second graph shows that employer support is maximum (approximately 60%) for the under 26yr students. It drops rapidly to 32% up to the third decade of life, and then increases in late adulthood up to about 44%."

Are "up to the third decade of life" and "in late adulthood" correct and natural?
 
  • Linkway

    Senior Member
    British English
    "Up to the third decade" is inappropriate in this statistical context. It is not clear whether the author means up to the beginning of the decade or the end or during that decade.

    It would be far better to use actual age ranges in a consistent (parallel) way.
     
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