People living in the north harbour were the least satisfied with their life in 2021, according to new data.The region, which has the island’s most urbanised and populated towns, includes Qormi, Msida, Pieta, Gżira, Ħamrun, Santa Venera, Birkirkara, Pembroke, Swieqi, St Julian's and Ta’Xbiex. It also includes Sliema, which according to recent NSO data, is...