Fix grammar: One of the main causes of growing aging population is the low fertility rate in Singapore.
The population is growing at a rate of 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
The population is increasing at a rate of 1.5% per year.
The population is expected to grow by 1.5% per year.
The population is expected to increase by 1.5% per year.
The population is expected to increase by 1.5% per year.
The population is expected to decrease by 1.5% per year.
The population is expected to decrease by 1.5% per year.
The population is