In the 2011 Travel and Tourism Competitiveness Index (TTCI) report, which is a measurement of the factors that make it attractive to developing business in the travel and tourism industry of individual countries, Mexico was ranked 43rd place in the world's ranking, which is fourth in the Americas.[2] In considering simply the subindex measuring human, cultural, and natural resources, Mexico ranks in the 13th place on a worldwide level, 10th for the natural resources criteria and 19th for the cultural criteria.[2] The TTCI report also notes Mexico's main weaknesses, which includes ground transport infrastructure (ranked 79th), insufficient health and hygiene (ranked 64th) and safety and security concerns (ranked 128th).[2]