Advice regarding Inheritance Tax

[cacran]

I don't understand the rules of inheritance tax.
I find myself wanting to bury my head in the sand when it is spoken about.
Me and my husband own our own home, we have a substantial amount in savings.
When one of us dies, would the other have to pay inheritance tax? When the second person dies, would they have to pay inheritance tax?

[sederunt]

Inheritance tax depends on the amount of the estate, who inherits, and the prevailing rules and allowances in place at the time of death.