Detailed Solution:
The correct answer is “Family planning: Empowering people, Developing Nations ”.
Every year there is a specific theme for World Population Day and the theme of World Population Day 2022 is "A world of 8 billion: Towards a resilient future for all - Harnessing opportunities and ensuring rights and choices for all."
The theme of the 2017 World Population Day was "Family planning: Empowering people, Developing Nations".