"The airlines of the Lufthansa group transported 107.7 million passengers in 2015, which is a new record," the carrier said in a statement.
The total represented an increase of 1.6 per cent over the number for the previous year.
Lufthansa also owns Austrian Airlines and Swiss, as well as the low-cost operator Germanwings, which suffered a devastating crash in March, when the co-pilot of one of its jets deliberately steered the aircraft into the French Alps, killing all 150 people on board.
"The Lufthansa group has invested heavily in the improvement of its offers and services throughout the past few years," it said.
Also Read
"Additionally, the comfort of travel has been noticeably enhanced through cabin refurbishment in all classes, improvements in on-board services and the availability of broadband internet connection.
Both pilots and cabin staff repeatedly walked out last year in separate disputes over pay and early retirement provisions, grounding tens of thousands of passengers.