That figure has now passed 10 million and is still growing, swollen by a steady influx of people from rural areas looking for work (more than half the population was born in the provinces).
The figure is swollen by an influx of job seekers from rural areas.
mnli hypothesis: The figure is swollen by an influx of job seekers from rural areas. premise: That figure has now passed 10 million and is still growing, swollen by a steady influx of people from rural areas looking for work (more than half the population was born in the provinces).