Yes, Nepal is safe for tourists. The country has already recovered from the earthquake in 2015. Also, there is no burst of epidemics or viral diseases. The country is politically stable. However, sudden non-violent protests and occasional strikes are frequent. They usually do not have much impact on tourists, but it is better to avoid leaving hotels on such days. We also recommend you to keep yourself updated with the local news.
The government and other respective bodies are continuously are trying to facilitate accessible communication, comfortable and safe internal travel, proper healthcare facility, and services of accommodation in different trekking trails for tourists.