Who has the large rare-earth element reserve in the world?

Rare-earth elements are a group with lantenit iridium and scandium elements. But why these elements very important? The rare-earth elements have special properties.
-conductivity
-ıt consists of natural minerals,
-we can use it in the defence industry
- also car industry, mobile devices and other technologic devices...
Which do you think are important for the countries?

USA geological survey (2018)

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3 country has a big reserve in the world. China Australia and the US was in the top 3 in 2018. But now, this list changed. New reserves discovered. And now, China, Brazil and Vietnam.

USA geological survey

They have a reserve but ıts not enough. USA and China still need new mine zone. for this reason, China searching new zone in Myanmar and USA import from China. Also, Europe zone hasn't enough the mining zone. For example, France buying rare-elements from Burundi. Rainbow company well-know company in Burundi for the mining of rare-elements. European countries get their needs from South Africa.

Ore Geology Reviews 72 (2016) p.838–856

Rare-earth elements will be very specific need. The defence and military budgets still rising in all world. USA, China, İndia ana Arabia spending almost 1 trillion dollars for this budget. Also, Big technology companies need this material. And they know what it necessary. 

By the way , you can also read about the rare-earth element in this text.

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Myanmar

China

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Please excuse any grammatical errors.

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