In the global market, increasing globalization necessitates new metrics. The differences between living and working in one's native country and abroad are significantly influenced by cultural differences. Expatriates who work abroad are typically either highly paid managers of multinational corporations or staff members and volunteers for development and NGO organizations. The global health care sector continues to hire foreign nationals to supplement local competence in highly specialized clinical or medical fields.Going global has provided businesses the option to increase their consumer base by selling abroad and reduce costs by producing in low-cost nations. Additionally, doing business abroad invites new challenges to the existing business. The most challenging aspects is managing multinational human resources. International human resource management is thought to have a substantial impact on whether an overseas assignment is successful or unsuccessful.

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