The newest emojis came out last October and there is program called, Emojipedia, that just analyzed which of the newest emojis have gotten the most use since they rolled out.
Here are the top 5:
1. White heart
2. Yawning face
3. Brown heart
5. Hand making the pinching gesture
The least used are: the Indian sari, brown square, razor, yo-yo and Hindu temple.