2018 saw strong growth while leading to a maximum of uncertainty. World growth in 2018 reached again a high level of +3.1%. Yet it nurtured uncertainties on the possibility of a trade war, non-viable US and European fiscal policies, the Fed’s too high assertiveness, emerging markets’ resilience, the multiplication of political risks and a potential burst of the global credit bubble. 2019 will be a denouement year on all these thorny issues. It should lead to a soft landing of the world economy.