This textbook presents a comprehensive and up to date account of introductory macroeconomics.The central purpose of this book is to make this text accessible to beginning and intermediate macroeconomics courses for undergraduate, diploma, NCE students. It is pitched at a level which is appropriate for these sets of students in Nigerian Universities, Polytechnics, and Colleges of Education.It uses the simplest available analytic techniques, intuitive explanation and wherever possible, illustrations are drawn from Nigeria experience.