Meditation master Shinzen Young says, mindfulness meditation increases total happiness in five ways:

1. Reduces Suffering & Stress

2. Elevates Positive Feelings of Fulfillment

3. Gives You a Deeper Understanding of Yourself at All Levels

4. Helps You Make Positive Behavior Changes 

5. Elevates Your Feelings of Connection to Others

See the full happiness grid chart here:

https://www.shinzen.org/wp-content/uploads/2020/09/Happiness.pdf