Okay kiddo, let me explain inheritance taxes in the United Kingdom in a very simple way.
When someone dies, they leave behind all their possessions and money. This is called their "estate." Inheritance tax is a tax that is paid on the value of someone's estate when they die.
In the UK, inheritance tax has been around for a long time. It was first introduced in 1694 as a way for the government to raise money for wars. Over time, it has changed a lot.
For a long time, the only people who had to pay inheritance tax were the very wealthy. But in the 19th and early 20th centuries, more and more people became subject to the tax.
Today, if someone's estate is worth more than a certain amount (called the "threshold"), their heirs may have to pay inheritance tax. The threshold changes from year to year, but it's currently £325,000.
If someone's estate is worth more than the threshold, the tax rate is currently 40%. This means that if someone's estate is worth £500,000, their heirs would have to pay inheritance tax on the £175,000 above the threshold.
There are some ways to reduce the amount of inheritance tax that someone's heirs have to pay. For example, someone can give gifts to their loved ones before they die, and those gifts might not be subject to inheritance tax.
Overall, inheritance tax is a way for the government to raise revenue from people's estates after they die. It has been around for a long time in the UK, and it continues to be an important part of the tax system today.