Fix grammaticality in this sentence: The aging population in Singapore is aging rapidly.
The number of people aged 15-24 years old is increasing rapidly.
The number of people aged 15-24 years old is increasing rapidly.
The number of people aged 25-34 years old is increasing rapidly.
The number of people aged 35-44 years old is increasing rapidly.
The number of people aged 45-54 years old is increasing rapidly.
The number of people aged 55-6
The number of people aged 15-24 years old is increasing rapidly.
The number of people aged 25-34 years old is increasing.
The number of people aged 35-44 years old is increasing.
The number of people aged 45-54 years old is increasing.
The number of people aged 55-64 years old is increasing.
The number of people aged 65 years and above is increasing.