In 2019，economic growth in Latin America and the Caribbean （LAC） continued to slow down，which is accompanied by the rebounded poverty rate and the spread social movements. UNECLAC estimates that the period between 2014 and 2020 will be the slowest growth period in the region in the past 40 years. Aiming at the comprehensive situation，difficulties and potential risks faced by LAC in 2019，this report interprets it from a global and historical perspective. It attempts to analyze the effectiveness of recent regional policies to make judgments on regional tendencies. According to the report，LAC’s “resonated” with the global political，economic，and social situation in 2019. However，its economic “overshoot” relative to other parts of the world. Thus the decline has accelerated，which has increased its marginalization dilemma and the regional social turbulence. LAC’s situation has deep structural causes. After the development of this century，its economic dependence on the outside world has increased，and its political vulnerability has increased. Its structural challenges have been increased. In response to the current predicament，LAC countries have adjusted their economic and social policies，and launched a number of reform measures in 2019. However，LAC’s reforms are constrained by fiscal and monetary policy space，and their short-term effectiveness is limited. In the context of the frequent occurrence of “black swans” around the world in 2020，LAC’s reforms face multiple internal and external constraints. Its annual economic growth continues to be optimistic. The uncertainty of the political and social situation will continue.