Context: As of 2000[update], children and teenagers (0–19 years old) make up 15.1% of the population, while adults (20–64 years old) make up 65% and seniors (over 64 years old) make up 19.9%.

Question: What percent of the population are 19 years old and under?
Answer: 15.1%

Question: What percent of the population are between 20-64?
Answer: 65%

Question: What percent of the population are over 64 years old?
Answer: 19.9%

Question: What age group has most of the population included?
Answer: adults