Is the Costa Rican government stable?

Yes, the government of Costa Rica is very stable.  Costa Rica is a democratic country with a constitution and elected officials.  It is a peaceful country has not had an army since 1949.  Rather than supporting a military, Costa Rica allocates its money towards an exemplary health care and education system.  This has created more opportunities in Costa Rica than its Central American counterparts, resulting in a more educated, enlightened, prosperous and peaceful population.