This book questions the weight and use of data in the ways of governing. Data, online or offline, is becoming a key resource in governance and as such represents a strong political stake. Work on data has always existed, but what is changing is the massification of this data - transcribed by the term big data - made possible by digital technology.

Was Japanese democracy born in 1945? Is it the result of a democratic transplant carried out by the Americans? Beyond its particularities, does it meet the universal standards of democracy? This book attempts to answer these questions and to deconstruct preconceived notions about the Japanese political system.

"Parental equality", "sexist justice!". Regularly, men perch on top of monuments to hold up, for a few hours, signs displaying these slogans. This book, proposes an analysis of the mobilizations of separated fathers, in a comparative perspective (France-Quebec) for an academic, associative and activist public.