Select the six-year period ending 12 months before your planned application date. Track progress towards four years of residence; 1,460 days is an approximate target. Physical presence does not necessarily equal qualifying residence. The final 12 months and other naturalisation requirements must be assessed separately.
https://komunita.gov.mt/services/acquisition-of-citizenship/
Malta: Naturalisation — Previous Residence
4 years within the earlier 6-year period