Landlocked countries - How Old Today?

1

Azerbaijan

1

Bhutan

1

Vatican_City

1

Zambia

1

Zimbabwe

6

Afghanistan

6

Andorra

6

Armenia

6

Bolivia

6

Botswana

6

Central_African_Republic

6

Chad

6

Eswatini

6

Ethiopia

6

Laos

6

Malawi

6

Nepal

6

Niger

6

San_Marino

6

Slovakia

6

South_Ossetia

6

Uganda