In which countries can citizens 18 and older vote?

I am using a website for reference:

The legal voting age for most countries is 18. Over one hundred nations are in this category including Afghanistan, China, Australia, Bahamas, Belgium, Botswana, Canada, Comoros, Denmark, Egypt, Finland, France, Georgia, Germany, Guatemala, Israel, Jamaica, Jordan, Lebanon, Marshall Islands, Macedonia, Mauritania, Kenya, Mongolia, Philippines, Saint Helena, Tanzania, United States, Yemen, Zimbabwe, Japan, and Italy among many others. The voting age for residents of Boznia and Herzegovania is also 18. However, employed persons aged 16 can vote. On the other hand, in Argentina the voting age is 18 but those aged between 16 and 18 may also vote. In addition to this, voting is optional for citizens aged 70 and above.

Explanation:

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