It's difficult to definitively say which country has the most solar panels, as the number can fluctuate and different sources may have varying data.

However, based on available information, China is likely the country with the most installed solar capacity. As of 2022, China had over 350 gigawatts (GW) of solar capacity, significantly surpassing other countries.

Other countries with large installed solar capacities include:

* United States: Over 120 GW

* Japan: Over 80 GW

* India: Over 50 GW

* Germany: Over 50 GW

Keep in mind that this is based on installed capacity, which is the total amount of solar energy a country *could* produce. The actual amount of solar energy generated can vary depending on factors like sunlight exposure, weather conditions, and the efficiency of the panels.