Foreign Currency: BB-/Stable/B Local Currency: BB/Stable/B For further details see Ratings List. Recurrent political instability and weak government institutions are affecting Guatemala's economic growth prospects. Consistently low general government revenues and uncovered corruption cases constrain the government and the private sector's ability and willingness to invest. As a result, we are lowering our long-term foreign currency sovereign credit rating on Guatemala to 'BB-' from 'BB' and our long-term local currency sovereign credit rating to 'BB' from 'BB+'. The outlook is stable, balancing the economic and political challenges with forecasted low fiscal and external deficits and the country's sound monetary policy. On Oct. 18, 2017, S&P Global Ratings lowered its long-term foreign currency sovereign credit rating on the Republic of Guatemala