TheSIPRIYearbookisasanauthoritativeandindependentsourceofdataandanalysisonarmaments,disarmamentandinternationalsecurity.Itprovidesanoverviewofdevelopmentsininternationalsecurity,weaponsandtechnology,militaryexpenditure,armsproductionandthearmstrade,andarmedconflictsandconflictmanagement,alongwitheffortstocontrolconventional,nuclear,chemicalandbiologicalweapons.This51steditionoftheSIPRIYearbookcoversdevelopmentsduring2019,includingulliArmedconflictsandconflictmanagement,withanoverviewofarmedconflictsandpeaceprocessesacrosstheAmericas,AsiaandOceania,Europe,theMiddleEastandNorthAfricaandsub-SaharanAfrica,aswellasafocusonglobalandregionaltrendsinpeaceoperations/liliMilitaryexpenditure,internationalarmstransfersanddevelopmentsinarmsproduction,/liliWorldnuclearforces,withanoverviewofeachoftheninenuclear-armedstatesandtheirnuclearmodernizationprogrammes/liliNucleararmscontrol,featuringNorthKorean-USnucleardiplomacy,developmentsintheINFTreatyandRussian-USnucleararmscontrolanddisarmament,andimplementationofIran’snucleardeal/liliChemicalandbiologicalsecuritythreats,includingtheinvestigationofallegationsofchemicalweaponuseinSyriaanddevelopmentsintheinternationallegalinstrumentsagainstchemicalandbiologicalwarfare/liliConventionalarmscontrol,withafocusonglobalinstruments,includingeffortstoregulatelethalautonomousweaponsystems,cyberspaceandexplosiveweaponsinpopulatedareas,anddialogueonpreventinganarmsraceinouterspace/liliDual-useandarmstradecontrols,includingdevelopmentsintheArmsTradeTreaty,multilateralarmsembargoesandexportcontrolregimes,andreviewprocessesinthelegalframeworkoftheEuropeanUnionforsuchcontrols/li/ulaswellasannexeslistingarmscontrolanddisarmamentagreements,internationalsecuritycooperationbodies,andkeyeventsin2019.
