While the market for private health insurance has increased in the past decade and more multinational insurance companies have entered the market, the last available estimate from the OECD is 4% of total population purchasing private health care insurance (OECD, n.d.).

References:

OECD. (n.d.). Health data. Retrieved March 16, 2020, from https://data.oecd.org/healthres/health-spending.htm