 Simpson was a member of the Jamaica under-17 squad during the 2017 CONCACAF U-17 Championship qualifiers 2007 in Kingston, Jamaica and 2009 CONCACAF U-20 World Cup qualifiers in Scarborough, Tobago.In August 2011, Simpson played in the CFU Olympic qualifiers in Suriname for Jamaica.On 30 May 2014, he made his debut for the Jamaica senior team against Switzerland, as a second-half substitute in Lucerne.