Social security Law and legislation 14 National health insurance 4 Disability insurance 3 Medical policy 3 Old age pensions 3 Public health laws 3 more ... Constitutional law 2 History 2 Labor laws and legislation 2 Medical care 2 Pensions 2 Public health 2 Right to health 2 Social legislation 2 Economic aspects 1 Employee health promotion 1 Government policy 1 Health care reform 1 Health insurance 1 Old age pension 1 Poor 1 Social policy 1 less ...