Book excerpt: This book analyses the methods used to assess financial sustainability as defined by the International Federation of Accountants (IFAC). Recently, there have been calls to consider sustainability as a fundamental guiding principle in public management. The financial and economic crisis has spurred a demand for greater financial sustainability in public administrations. Although the concept of sustainability has been traditionally associated with three dimensions (environmental, social and economic), this book is focuses on the metrics used to evaluate financial sustainability and explores the concept of financial health. It will be of interest to researchers and academics in the field of financial sustainability.