Tesla lost market share in Sweden and Norway in January, car registration data showed on Monday as the U.S. electric vehicle maker faces a test of popularity following billionaire CEO Elon Musk's high-profile foray into politics.

U.S.-based EV maker Tesla (TSLA) has faced a setback in Sweden and Norway as CEO Elon Musk’s local reputation in the region suffers from his

Tesla saw a significant decline in car registrations in Sweden and Norway in January, coinciding with criticism directed at CEO Elon Musk over his political involvement. Despite overall car market growth in these regions,

Tesla posted lower sales across five European countries in January, including the United Kingdom and France, as competitors with newer models gained on the electric vehicle maker and polls show public opinion souring on CEO Elon Musk.