First edition of the periodic report Linguapax Review, published as the fifth issue of Unescocat series "Materials". The volume is a collection of contributions by differents experts of the Linguapax International Network. Its first part gives a brief history of Linguapax and the second one offers an overview of the state of languages in different linguistic regions of the world, with glimpses on linguistic revitalization efforts and their impact on peoples' lives. Plurilingual text.