Elements of Economics is one of the fundamental undergraduate courses offered in most colleges and universities in the world as it helps to give the required economics foundation to students. This involves the fundamentals of microeconomics and macroeconomics and helps students think analytically about real world phenomena. It gives students high analytical skills which are fundamental in understanding economics. The purpose of this book is to eliminate the unwanted difficulty fundamental economics poses by clearly and carefully explaining critical economic concepts and providing step-by-step solutions to many economic problems.This book provides detailed and relevant issues for the discussions and applications of the contemporary fundamental microeconomic and macroeconomic issues which cut across countries and continents. This book is quite unique in nature as it is written in simple and clear English language with the objective of facilitating comprehension thereby increasing students' interest in the subject matter. By and large, this book is written as a result of our professional experiences and inspirations in teaching microeconomics and macroeconomics over the years.