Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Summarize the following article about world population in one sentence.

### Input:
The world population has been growing steadily and is projected to reach 8.6 billion by 2030.

### Response:
By 2030, the world population is projected to reach 8.6 billion, a substantial increase from its current level.