The number of resident population in Shanghai exceeded 24.15 million by the end of last year, which is 347,200 more than in 2012, official statistics show.

According to figures released by the Shanghai Statistics Bureau on Wednesday, the number of inhabitants with a permanent residence permit was 14.25 million, while the number of migrant residents reached 9.9 million. Those figures combined form the city's resident population.

The number of migrant residents increased by 297,700 compared with 2012, accounting for 85.7 percent of the total increased population, but the growth has slowed compared with previous years.

The average life expectancy of the city's residents with a permanent residency permit reached 82.47, the statistics show.

Meanwhile, the city's economy ran smoothly last year, with the gross domestic product growing 7.7 percent year on year to 2.16 trillion yuan ($353.9 billion). By the end of last year, 3,633 enterprises had registered at the Shanghai Free Trade Zone since its launch in late September.