The Group’s headcount increased by 7.5 percent compared with the end of the prior year, mainly due to the integration of Sprint employees in the United States. Development across the segments was varied. The number of employees in our Germany operating segment declined by 4.4 percent as a result of efficiency enhancement measures and the take-up of socially responsible instruments in connection with the staff restructuring. The total number of employees in our United States operating segment increased by 50.7 percent as of December 31, 2019 compared with the prior year, primarily due to the integration of Sprint employees. In our Europe operating segment, the headcount was down 7.1 percent compared with the end of the prior year. The headcount decreased in Romania, Hungary, and Greece in particular. The number of employees in our Systems Solutions operating segment decreased by 4.7 percent compared with the end of 2019, mainly due to efficiency measures. The remaining headcount in this segment increased by 3.1 percent due to the insourcing of formerly external activities to realize cost savings at T-Mobile Netherlands. The headcount in the Group Headquarters & Group Services segment was down 4.1 percent compared with the end of 2019, mainly due to the ongoing staff restructuring at Vivento.
Our strategy to become the leading telecommunications provider in Europe is reflected in the trend in our international employee headcount. The number of employees working at sites outside Germany has risen notably since the turn of the millennium – albeit with fluctuations in some places. Whereas 78.9 percent of company employees were working in Germany in 2000, the rate has leveled at around 50 percent since 2015. The figure for 2020 was 39.3 percent.
GRI 102-8 (General Disclosures)
The percentage of part-time employees came to around 13 percent in 2020, and thus remained stable compared to the previous year.