Table:
Rank | Name | Nation(s) | Born | Ascended | Years reigned
1.0 | Bhumibol Adulyadej | Thailand | 5 December 1927 | 9 June 1946 | 68 years, 3 days
2.0 | Elizabeth II | Commonwealth realms | 21 April 1926 | 6 February 1952 | 62 years, 126 days
3.0 | Abdul Halim | Kedah (Malaysia) | 28 November 1927 | 14 July 1958 | 55 years, 333 days
4.0 | Sikiru Kayode Adetona | Ijebuland (Nigeria) | 10 May 1934 | 4 January 1960 | 54 years, 159 days
5.0 | Hassanal Bolkiah | Brunei | 15 July 1946 | 5 October 1967 | 46 years, 250 days
6.0 | Goodwill Zwelithini kaBhekuzulu | Zulu people (South Africa) | 14 July 1948 | 17 September 1968 | 45 years, 268 days
7.0 | Qaboos bin Said al Said | Oman | 18 November 1940 | 23 July 1970 | 43 years, 324 days
8.0 | Margrethe II | Denmark | 16 April 1940 | 14 January 1972 | 42 years, 149 days
9.0 | Sultan bin Mohamed Al-Qassimi III | Sharjah (United Arab Emirates) | 2 July 1939 | 25 January 1972 | 42 years, 138 days
10.0 | Carl XVI Gustaf | Sweden | 30 April 1946 | 15 September 1973 | 40 years, 270 days
11.0 | Ahmad Shah | Pahang (Malaysia) | 24 October 1930 | 7 May 1974 | 40 years, 36 days
12.0 | Hamad bin Mohammed Al Sharqi | Fujairah (United Arab Emirates) | 25 August 1948 | 18 September 1974 | 39 years, 267 days
13.0 | Juan Carlos I | Spain | 5 January 1938 | 22 November 1975 | 38 years, 202 days
14.0 | Humaid bin Rashid Al Nuaimi | Ajman (United Arab Emirates) | 1931 | 6 September 1981 | 32 years, 279 days
15.0 | Azlan Muhibbuddin Shah | Perak (Malaysia) | 19 April 1928 | 3 February 1984 | 30 years, 129 days
16.0 | Mswati III | Swaziland | 19 April 1968 | 25 April 1986 | 28 years, 48 days
17.0 | Akihito | Japan | 23 December 1933 | 7 January 1989 | 25 years, 156 days
18.0 | Hamengkubuwana X | Yogyakarta (Indonesia) | 2 April 1946 | 7 March 1989 | 25 years, 97 days
19.0 | Hans-Adam II | Liechtenstein | 14 February 1945 | 13 November 1989 | 24 years, 211 days
20.0 | Letsie III | Lesotho | 17 July 1963 | 12 November 1990 | 23 years, 212 days
21.0 | Harald V | Norway | 21 February 1937 | 17 January 1991 | 23 years, 146 days
22.0 | Muwenda Mutebi II | Buganda (Uganda) | 13 April 1955 | 24 July 1993 | 20 years, 323 days
23.0 | Oyo Nyimba Kabamba Iguru Rukidi IV | Toro (Uganda) | 16 April 1992 | 13 September 1995 | 18 years, 272 days
24.0 | Mizan Zainal Abidin | Terengganu (Malaysia) | 22 January 1962 | 15 May 1998 | 16 years, 28 days
25.0 | Abdullah II | Jordan | 30 January 1962 | 7 February 1999 | 15 years, 125 days
26.0 | Hamad bin Isa Al Khalifa | Bahrain | 28 January 1950 | 6 March 1999 | 15 years, 98 days
27.0 | Otumfuo Nana Osei Tutu II | Ashanti people (Ghana) | 6 May 1950 | 26 April 1999 | 15 years, 47 days
28.0 | Paku Alam IX | Pakualaman (Indonesia) | 7 May 1938 | 26 May 1999 | 15 years, 17 days
29.0 | Mohammed VI | Morocco | 21 August 1963 | 23 July 1999 | 14 years, 324 days
30.0 | Tuanku Syed Sirajuddin | Perlis (Malaysia) | 16 May 1943 | 17 April 2000 | 14 years, 56 days
31.0 | Henri | Luxembourg | 16 April 1955 | 7 October 2000 | 13 years, 248 days
32.0 | Sharafuddin Idris Shah | Selangor (Malaysia) | 24 October 1945 | 21 November 2001 | 12 years, 203 days
33.0 | Norodom Sihamoni | Cambodia | 14 May 1953 | 14 October 2004 | 9 years, 241 days
34.0 | Khalifa bin Zayed Al Nahyan | Abu Dhabi (United Arab Emirates) | 25 January 1945 | 3 November 2004 | 9 years, 221 days
35.0 | Albert II | Monaco | 14 March 1958 | 6 April 2005 | 9 years, 67 days
36.0 | Abdullah | Saudi Arabia | 1 August 1924 | 1 August 2005 | 8 years, 315 days
37.0 | Mohammed bin Rashid Al Maktoum | Dubai (United Arab Emirates) | 22 July 1949 | 4 January 2006 | 8 years, 159 days
38.0 | Sabah Al-Ahmad Al-Jaber Al-Sabah | Kuwait | 16 June 1929 | 29 January 2006 | 8 years, 134 days
39.0 | Tuheitia Paki | Māori King (New Zealand) | 21 April 1955 | 21 August 2006 | 7 years, 295 days
40.0 | Jigme Khesar Namgyel Wangchuck | Bhutan | 21 February 1980 | 15 December 2006 | 7 years, 179 days
41.0 | Kapiliele Faupala | Wallis Island (Uvea) (Wallis and Futuna) | 1940 | 25 June 2008 | 5 years, 352 days
42.0 | Tunku Muhriz | Negeri Sembilan (Malaysia) | 14 January 1948 | 29 December 2008 | 5 years, 165 days
43.0 | Saud bin Rashid Al Mu'alla | Umm al-Quwain (United Arab Emirates) | 1 October 1952 | 2 January 2009 | 5 years, 161 days
44.0 | Charles Mumbere | Rwenzururu (Uganda) | 1953 | 19 October 2009 | 4 years, 236 days
45.0 | Ibrahim Ismail | Johor (Malaysia) | 22 November 1958 | 22 January 2010 | 4 years, 141 days
46.0 | Polikalepo Kolivai | Sigave (Wallis and Futuna) | 1939 | 7 July 2010 | 3 years, 340 days
47.0 | Muhammad V | Kelantan (Malaysia) | 6 October 1969 | 13 September 2010 | 3 years, 272 days
48.0 | Saud bin Saqr al Qasimi | Ras al-Khaimah (United Arab Emirates) | 10 February 1956 | 27 October 2010 | 3 years, 228 days
49.0 | Tupou VI | Tonga | 12 July 1959 | 18 March 2012 | 2 years, 86 days
50.0 | Francis | Vatican City | 17 December 1936 | 13 March 2013 | 1 year, 91 days
51.0 | Willem-Alexander | Netherlands | 27 April 1967 | 30 April 2013 | 1 year, 43 days
52.0 | Tamim bin Hamad Al Thani | Qatar | 3 June 1980 | 25 June 2013 | 0 years, 352 days
53.0 | Philippe | Belgium | 15 April 1960 | 21 July 2013 | 0 years, 326 days

Question: name the two kingdoms whose monarchs have the longest and second longest reign.
Answer: Thailand|Commonwealth realms

Question: which person reigned for 25 years and are from japan?
Answer: Akihito

Question: which monarchs reined for more than 50 years?
Answer: Bhumibol Adulyadej|Elizabeth II|Abdul Halim|Sikiru Kayode Adetona

Question: what is the total number of monarchs that ascended the throne in 2010?
Answer: 4

Question: besides bhumibol adulyadej, which other people were born in december?
Answer: Akihito|Francis

Question: how many reigned for less time than carl xvi gustaf?
Answer: 43

Question: how many reigned more than 50 years?
Answer: 4