Global Business Travel market, By type (managed business travel, unmanaged business travel), By purpose of use (marketing, internal meetings, trade shows, product launches, others), By cost (travel fares, accommodation, meals, etc.), By age group (less than 40 travelers, over 40 travelers, passengers (group travel, individual travel), By service (transportation, food and accommodation, entertainment industry, government, business) By region (North America, Latin America, Europe, Asia Pacific, Middle) East and Africa) - Industry trends and forecast to 2030.