Don't worry, be happy!

When is the International Day of Happiness?

• 22 March

• 20 March

• 21 March

• 24 March

Who sings the famous song "Happy"?

• Bruno Mars

• Akon

• Pharrell Williams

• Black Eyed Peas

Which country is currently ranked happiest in the world?

• Norway

• Iceland

• Denmark

• Finland

Who invented the smiley face?

• Scott Fahlman

• Harvey Ball

• Nicolas Loufrani

• Walt Disney

Which country is ranked the most unhappy?

• Afghanistan

• Sierra Leone

• Lebanon

• DRC

What do psychologists consider the single most reliable indicator of happiness?

• Children

• Money

• Relationships

• Religion

Who reports higher life satisfaction?

• Men

• Women

What's the branch of psychology that studies what makes people happy?

• Satisfaction Psychology

• Contentment Psychology

• Positive Psychology

• Well-being Psychology

The Happy Planet Index analyses a country's carbon footprint in relation to its population's happiness and life expectancy. According to the HPI, what's the happiest country in the world?

• El Salvador

• Sweden

• Vanuatu

• Nicaragua

Exercise can make you happy by lowering levels of which hormone?

• Adrenalin

• Prolactin

• Insulin

• Cortisol