After the time bitcoin and altcoins fall in the market itself we are seeing the bitcoin transaction fee very much and mempool seems almost empty. So transaction fee has been reduced around 5 sat/byte.
After the segwit has been implemented on various wallet. Now we are seeing the bitcoin fees has been decreased to 1 sat/byte bro.
However, you please have the transaction on segwit whenever you are making low or high amount of fees.