Princess Aiko of Japan, with her parents. The daughter of the Crown Prince Naruhito, she would be second in line to the Japanese throne if the laws of succession in Japan are altered. The present laws exclude inheritance through a female line. (
Victoria, Crown Princess of Sweden, Duchess of Västergötland, and her husband Prince Daniel, Duke of Västergötland. If she ascends to the throne as expected, she will be Sweden's fourth queen regnant and the first since 1720. (Photo: AP)
Crown Prince Hakoon of Norway, with his wife. Prince Haakon has served in the Royal Norwegian Navy, and married commoner and single mother Mette-Marit. (Photo: AP)
Leonor, Princess of Asturias, heir to the Spanish throne. She became heir presumptive upon her father's accession on 19 June 2014. (Photo: AFP)
Catharina-Amalia, Princess of Orange, heir apparent to the Dutch throne (extreme left). The Princess is multilingual and can speak English, Dutch and Spanish. (Photo: AP)
Crown Prince of Jordan, Hussein bin Abdullah, who recently became the youngest person ever to chair a UN Security Council meeting. Like all men his age, he is interested in Motorcycles and football.
Crown Prince Haji Al-Muhtadee Billah of Brunei, who is all set to become the second richest Royal in the world once he inherits the throne from his father. He holds the position of senior minister of the Prime Minister's Office of Brunei. (Photo:
Sheikh Hamdan bin Mohammed bin Rashid Al Maktoum, Crown Prince of Dubai. The Prince is a horse rider, an amateur skydiver and is also known for his poems, which are mainly romantic and patriotic, which he publishes under the name Faz'za . (Photo:
Royal round up: Crown princes and princesses across the world