According to the economist Ha-Joon Chang 'Economics is for everyone'. Its a social science that studies the production, distribution, and consumption of goods and services. Economics focuses on the behaviour and interactions of economic agents and how economies work.1 While it currently is very mathematical and sounds complicated, in essence it is a philosophical question how to arrange a house, city, nation state, or even on a planetary scale.
To get a flavour of the different schools of thought and why economics and your opinion matters, have a look at the RSA Animate by Ha-Joon Chang: