Silane crosslinkable resin composition, silane crosslinked resin formed body, and electric wire

A silane crosslinkable resin composition comprising at least one kind of silanol condensation catalyst represented by the following Formula (1) and having a mass reduction rate of less than 10.0% when heated at 100° C. for 30 minutes, and not comprising a tin-containing silanol condensation catalyst:

• wherein, in the Formula (1), M represents aluminum, titanium, zirconium, or zinc,
• R1 represents a ligand having at least one of an alkyl group, a carbonyl group, a carboxy group, a hydroxy group, an alkoxy group, an aryl group, an alkylcarbonyloxy group, or an arylcarbonyloxy group,
• R2 represents an alkyl or arylcarbonyloxy group, or a nitrogen-free substituent,
• a is an integer of 1 to 4, and b is an integer of 0 to 3.