The choice of proxy country for work depends on specific tasks and requirements. If you need to work with websites and services that are only available in a certain country, then you should choose a proxy from that country.
If you need to ensure security and anonymity while working on the internet, it is better to choose proxies from countries with stricter policies regarding personal data protection and independent judicial systems. In such cases, proxies from Europe or the United States can be a good choice.
It is also important to pay attention to the quality and speed of the proxies to ensure comfortable and efficient work.