Abdullah of Pahang

On 24 January 2019, days after his accession to the throne of Pahang, he was elected as the 16th Yang di-Pertuan Agong of Malaysia. He was sworn in on 31 January. He was also a member of the FIFA Council from 2015 to 2019.

On 15 January 2019, at the age of 59, Abdullah was proclaimed as the sixth Sultan of modern Pahang upon the abdication of his father due to ill health. The ceremony took place at Istana Abu Bakar, the official residence of the Sultan of Pahang. His reign was declared retroactively began on 11 January 2019, the day the Regency Council decided his succession.

Upon his accession to throne of Pahang, Abdullah took the regnal title "Al-Sultan Abdullah Ri'ayatuddin Al-Mustafa Billah Shah". His royal consort, Tunku Azizah Aminah Maimunah Iskandariah Binti Almarhum Sultan Iskandar, the Tengku Puan Pahang has been proclaimed as the Kebawah Duli Yang Maha Mulia Tengku Ampuan Pahang on 29 January 2019.

On 24 January 2019 Thursday, the Conference of Rulers elected Sultan Abdullah as the 16th Yang di-Pertuan Agong of Malaysia to replace Sultan Muhammad V of Kelantan who abdicated weeks earlier. Sultan Abdullah was sworn in as the 16th King of Malaysia on 31 January 2019 in a public ceremony as he officially took up the residency of the Istana Negara, Jalan Tuanku Abdul Halim. The Conference of Rulers also elected Sultan Nazrin Muizzuddin Shah of Perak as the Deputy Yang di-Pertuan Agong.

Regarding the regency of Pahang throughout Sultan Abdullah's tenure as the Yang di-Pertuan Agong, the duty of ruling the state was handed to Sultan Abdullah's son, Tengku Hassanal Ibrahim Alam Shah, who was proclaimed as the Tengku Mahkota and Regent of Pahang on 29 January 2019.

On the date of appointment, Tengku Hassanal was still pursuing his studies at the Royal Military Academy Sandhurst, United Kingdom. He was assisted in carrying out his duties by the Majlis Jumaah Pangkuan Diraja Negeri Pahang ('Pahang Council of Regency') led by Sultan Abdullah's eldest younger brother who is also Tengku Hassanal's uncle, Tengku Abdul Rahman Ibni Sultan Haji Ahmad Shah, from 15 February 2019 until his graduation on 15 December 2019.

Sultan Abdullah ceremonial installation as King took place at the Throne Hall of the Istana Negara on 30 July 2019, seven months after his assumption of the throne on his 60th birthday.

The installation on 30 July 2019 has yet another historical significance because Sultan Abdullah and the Raja Permaisuri Agong, Tunku Azizah Aminah Maimunah Iskandariah, are the children of sultans who have been elected as the Yang di-Pertuan Agong.

He is also the chancellor of MARA University of Technology (UiTM) and National Defence University of Malaysia (UPNM) since 2019.

Tengku Abdullah received his primary education at Sekolah Ahmad, Pekan, St. Thomas Primary School, and St. Thomas Secondary School, both located in Kuantan. He went to Aldenham School, Elstree Hertfordshire – Advance School from 1975 until 1978 and Davis College, London – Advance School from 1978 to 1979. He also attended The Royal Military Academy Sandhurst from 1979 to 1980 as well as Worcester College Oxford and Queen Elizabeth College, receiving a Diploma in International Relations and Diplomacy upon his graduation in 1981.

Yang Amat Mulia Tengku Amir Nasser Ibrahim and Yang Hormat Mulia Puteri Suraiya Afzan Binti Mohamed Moiz married on 19 December 2013. The couple's first child, a son named Yang Mulia Tengku Adam Ibrahim Shah, was born on 27 December 2015. Their second, a son named Yang Mulia Tengku Sulaiman Abdullah Shah, was born 25 June 2018.

Tengku Abdullah then promoted to Brigadier general in 2004.

In 1999, he was assigned to the Territorial Army Regiment (Malay: Rejimen Askar Wataniah) and in the same time was promoted to Lieutenant Colonel and one year later, in 2000, he was promoted again to Colonel.

He first married at the Sultan Abu Bakar State Mosque, Johor Bahru, 6 March 1986 to the third daughter of Sultan Iskandar of Johor with his first wife, Enche' Besar Kalsom binti Abdullah (née Josephine Ruby Treverrow), Tunku Hajah Tunku Azizah Aminah Maimunah Iskandariah binti Almarhum Al-Mutawakkil Alallah Sultan Iskandar Al-Haj. She has been created Tengku Puan in addition to her Johor title of Paduka Puteri in 1986. She is one of the sisters of the current Sultan Ibrahim Ismail of Johor. They have four sons and two daughters together.

He was also appointed as the Regent of Pahang twice. The first time was when his father was elected as Yang Di-Pertuan Agong, where he became Regent for five years, starting from 26 April 1979 until 25 April 1984. When his father's health deteriorated in 2016, Abdullah served again as the Regent from 28 December 2016 until he ascended the throne and became the Sultan of Pahang in 2019.

Tengku Abdullah began his military career at the Royal Military Academy Sandhurst, the United Kingdom in 1978 as Officer Cadet. There he met with his best friend, Sheikh Mohamed Zayed Al Nahyan, who later became the Crown Prince of Abu Dhabi and Zulkiple Kassim, his senior and later became the Chief of Army. He was commissioned as Second lieutenant by Queen Elizabeth II in 1979. In 1980, he was promoted to Captain and served as Cavalry officer in the Royal Armoured Corps. In 1987, he was promoted to Major, the Royal Armoured Corps.

Abdullah was appointed as the Tengku Mahkota, the crown prince of Pahang on 1 July 1975. He was formally installed on 23 October 1977 at Istana Abu Bakar, Pekan.

He married, secondly, in 1991 with Julia Rais [ms] (born at Kota Bharu, Kelantan, (1971-02-19 ) 19 February 1971 (age 49) ), a former actress, daughter of Abdul Rais. They have three daughters together.

Al-Sultan Abdullah Ri'ayatuddin Al-Mustafa Billah Shah ibni Almarhum Sultan Haji Ahmad Shah Al-Musta'in Billah (Jawi: السلطان عبدالله رعاية الدين المصطفى بالله شاه الحاج ابن المرحوم سلطان حاج احمد شاه المستعين بالله) (born 30 July 1959) is the 16th Yang di-Pertuan Agong (head of state) of Malaysia and the sixth Sultan of Pahang. He was proclaimed as Sultan on 15 January 2019, succeeding his father, Sultan Ahmad Shah, whose abdication was decided at a Royal Council meeting on 11 January.

Tengku Abdullah was born on 30 July 1959 at Istana Mangga Tunggal, Pekan, Pahang. He is the first son of Paduka Ayahanda Sultan Ahmad Shah of Pahang and Tengku Ampuan Afzan. He is the fourth child among eight siblings. His eldest sibling is Tengku Meriam.