The Earth Similarity Index (ESI) shows how similar a planetary object is to Earth and takes into account the size of the exoplanet and the amount of insolation that it receives from its star.
The following planets have highest ESI values:

 
 
1.00
0.90
bigger and warmer
0.89
smaller and warmer
0.88
bigger and warmer
0.85
smaller and cooler
0.84
bigger and warmer
0.83
bigger and warmer
0.83
bigger and cooler
0.83
bigger and cooler
0.82
bigger and warmer
0.80
bigger and cooler
0.80
bigger and warmer