It is possible for governments to track the use of a VPN, but it is not easy. When you use a VPN, your internet traffic is encrypted and sent to a server controlled by the VPN provider. This makes it more difficult for third parties, including governments, to monitor your online activity.
However, it is important to note that the VPN provider has access to your internet traffic and can see what you are doing online. If the VPN provider is based in a country with weak privacy laws, it is possible for the government to request access to this information. It is important to choose a reputable and trustworthy VPN provider that has a strong commitment to protecting the privacy of its users.
Additionally, governments may try to block or restrict the use of VPNs in their country. This can be done by blocking access to VPN websites or by intercepting VPN traffic and attempting to identify the VPN users. In these cases, it may be more difficult to use a VPN to protect your online privacy.