Explanation:

Third option is correct.

The International Day of Happiness is observed every year on March 20 to recognise the importance of happiness in the lives of people around the world. The day is to inspire individuals to share happiness with others and create a happier world for all. The 2018 theme “Share Happiness” focuses on the importance of relationships, kindness and helping each other.

The World Happiness Report 2018, which was published recently, ranked 156 countries by happiness levels, based on factors such as life expectancy, social support and corruption. Finland was ranked as the happiest country to live, while Burundi in East Africa is the unhappiest place in the world. India was ranked 133rd in the report.