Governments around the world are giving more power to local areas to manage taxes and public services. This can help reduce income inequality in rich countries but may increase poverty in poorer countries. Smaller local governments are better for helping the poor. Giving local governments control over spending can improve vaccination rates. The level of public healthcare and education doesn't change much with decentralization. People's trust in government doesn't change much either. The size and structure of local governments play a big role in how decentralization affects public policy.