Which group is prioritized first in the next of kin hierarchy?

The surviving spouse is prioritized first in the next of kin hierarchy due to the legal recognition of the marriage bond and the associated rights it confers. In most jurisdictions, the spouse is seen as the closest family member, both emotionally and legally, which influences decisions regarding medical care, inheritance, and funeral arrangements. This prioritization reflects societal norms and laws that view the spouse as having the most immediate and significant relationship with the deceased, thus granting them primary authority in matters concerning the individual’s affairs after death. The surviving spouse's role often encompasses responsibilities that other relatives do not have, making their position within the hierarchy essential.