Visualizing Well-Known Airlines by Fleet Composition
How many airplanes do the world’s major airlines utilize in their fleets, and which models do they prefer?
Some prefer newer planes, such as the Boeing 787 Dreamliner which came into service in the 2010s. Others prefer large planes, like the Airbus A380 , the world’s largest passenger aircraft. A few carriers, like Air France–KLM, opt for variety. The airline uses 16 different active models. This contrasts with Southwest Airlines, which utilizes a single model in its fleet.
This series of graphics visualizes some of the world’s most well-known airliners by fleet composition, using fleet data from Planespotters.net as of May 26, 2022.
How Many Planes Are in Airline Fleets?
Each plane in a fleet is tracked in meticulous detail, from its start of service date and age, to its registration number and current status.
Above we visualized the parent airline’s current fleets, which includes planes that are either in service or parked for future service. They do not include retired planes (the historic fleet) or future planes on order.
From conglomerates to flag carriers, here are some of the world’s most well-known airline fleets:
U.S. based airlines were far and away the largest aircraft carriers, with American Airlines being the world’s largest airline by fleet size since 2019. Interestingly, Delta Airlines was the largest by revenue in 2020, despite a smaller fleet size.
Asia’s largest airline has been China Southern, in both fleet size, revenue, and passengers carried. Together with China Eastern and the flag carrier Air China, it is part of China’s “Big Three” airlines.
But smaller airlines aren’t any less important, or lucrative. The slightly smaller fleet size of International Airlines Group (IAG), which was formed from a merger between flag carriers British Airways and Iberia, includes planes that fly on the world’s highest grossing routes. They’re joined on the list by other smaller fleets including UAE airliner Emirates, Singapore Airlines (often ranked as the world’s best airline), and Air Canada.
Boeing, Airbus, and Other Aircraft Manufacturers
The story of airline fleets usually breaks down to the world’s largest aircraft manufacturers, Europe’s Airbus and America’s Boeing.
By outlasting key competitors and mergers in a difficult industry, the duopoly has solidified a grasp on the commercial aircraft sector. In 2019, they were estimated to control a combined 91% of the global commercial aircraft market.
Which manufacturers do the world’s popular airlines utilize? Here’s a breakdown of the same airlines from above, this time by manufacturer share:
|Share of Airline Fleets by Manufacturer (Oct 2021)||Airbus||Boeing||Other|
|All Nippon Airways (ANA)||18.7%||81.3%||0.0%|
Notably, European and Asian airlines have emerged as slightly bigger Airbus customers, while American carriers favor Boeing. There are also standouts, such as Southwest Airlines’ utilization of just one make, the Boeing 737.
And a few carriers used aircraft from other manufacturers as well. Brazil’s Embraer saw usage in IAG and Air France–KLM, making up 17% of the latter’s total fleet. Bombardier‘s CJR planes, formerly produced by the Canadian manufacturer but now owned by the Mitsubishi Aircraft Corporation, saw use by IAG, Air France–KLM, and Lufthansa. The Airbus A220 was also originally a Bombardier plane before being acquired by the European manufacturer in 2018.
China Southern Airlines was the only other airline to feature a different manufacturer’s plane in its active fleet, the ARJ21. Also known as the Xiangfeng (literally “soaring phoenix”), it was developed by Chinese state-owned manufacturer Comac and first introduced into service in 2016.
What Will Airlines Use in the Future?
Before the COVID-19 pandemic, Airbus was starting to outperform Boeing in market share.
In 2019, the worldwide grounding of the Boeing 737 MAX model after two crashes saw 387 active aircraft grounded and 1,200 canceled orders, a debacle that could go down as the most costly corporate blunder in history.
Soon after, Airbus took the global market share lead in new orders, with the Airbus A320 becoming the world’s highest selling family of aircraft in October 2019. But the COVID-19 pandemic quickly followed and severely impacted the entire aviation industry.
As countries, airliners, and manufacturers look to bounce back and recover, fleet compositions are sure to change in coming years.
Explainer: The Basics of DNA and Genetic Systems
All living things have a genetic system made up of DNA. This graphic explores the basics of DNA composition and structure.
Explainer: The Basics of DNA and Genetic Systems
While there is great diversity among living things, we all have one thing in common—we all rely on a genetic system made up of DNA and/or RNA.
But how do genetic systems work, and to what extent do they vary across species?
This graphic by Anne-Lise Paris explores the basics of DNA and genetic systems, including how they’re structured, and how they differ across species.
Composition of Genetic Systems: DNA and RNA
A genetic system is essentially a set of instructions that dictate our genetic makeup—what we look like and how we interact with our environment.
This set of instructions is stored in nucleic acids, the two main types being deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
DNA is made up of four molecules, known as nucleotides: Adenine (A), Thymine (T), Cytosine ( C), and Guanine (G). These nucleotides are grouped in sets of two, which are called base pairs.
Size of Genomes Across Different Organisms
Human DNA is made up of approximately 3.2 billion base pairs that are tightly wound up and stored in our cells. If you were to unwind and measure the DNA stored in a single human cell, it would be about 2 meters (6.5 feet) long!
This lengthy DNA is stored in pairs of chromosomes. A full collection of chromosomes, or an entire set of genetic information, is referred to as a genome.
Genomes vary in size, depending on the organism. Here is a look at 24 different species and the size of their genomes, from animals and plants to bacteria and viruses:
|Organism||Kingdom||Size of genomes (number of base pairs)|
|Hepatitis D virus||Virus||1,700|
The Marbled Lungfish has the largest known animal genome. Its genome is made up of 130 billion base pairs, which is about 126.8 billion more than the average human genome.
Comparatively, small viruses and bacteria have fewer base pairs. The Hepatitis D virus has only 1,700 base pairs, while E. coli bacteria has 4.6 million. Interestingly, research has not found a link between the size of a species’ genome and the organism’s size or complexity.
In fact, there are still a ton of unanswered questions in the field of genome research. Why do some species have small genomes? Why do some have a ton of redundant DNA? These are still questions being investigated by scientists today.
Mapped: Which Countries Still Have a Monarchy?
Beyond the 15 nations under the British monarchy, 28 other countries still have a ruling monarch. Here’s a look at the world’s monarchies.
Mapped: Which Countries Still Have a Monarchy?
In the wake of Queen Elizabeth II’s death, the question of monarchy is brought sharply into focus.
However, a surprising number of countries have ruling monarchs, and in this visual we break down the kinds of royal leadership across the 43 countries that still have them.
Types of Monarchies
A monarch in the simplest sense is a country’s king, queen, emir, or sultan, and so on. But before diving in, it’s important to break down the distinctions between the types of monarchies that exist today. Generally, there are four kinds:
① Constitutional Monarchy
The monarch divides power with a constitutionally founded government. In this situation, the monarch, while having ceremonial duties and certain responsibilities, does not have any political power. For example, the UK’s monarch must sign all laws to make them official, but has no power to change or reject new laws.
Here are some examples of countries with constitutional monarchies:
🇬🇧 United Kingdom
② Absolute Monarchy
The monarch has full and absolute political power. They can amend, reject, or create laws, represent the country’s interests abroad, appoint political leaders, and so on.
Here are some examples of countries with absolute monarchies:
🇸🇦 Saudi Arabia
🇻🇦 Vatican City
③ Federal Monarchy
The monarch serves an overall figurehead of the federation of states which have their own governments, or even monarchies, ruling them.
Here are some examples of countries with federal monarchies:
Malaysia is a unique form of federal monarchy. Every five years, each state’s royal leaders choose amongst themselves who will be the monarch, or the Yang di-Pertuan Agong, of Malaysia and the respective states. Furthermore, the monarchy is also constitutional, allowing a democratically elected body to govern.
④ Mixed Monarchy
This is a situation wherein an absolute monarch may divide powers in distinct ways specific to the country.
Here are some examples of countries with mixed monarchies:
Interestingly, Liechtenstein is the only European monarchy that still practises strict agnatic primogeniture. Under agnatic primogeniture, the degree of kinship is determined by tracing descent from the nearest common ancestor through male ancestors.
Kings, Queens, Emperors, and Sultans Around the Globe
Now let’s break down the different monarchies country by country:
|Country||Type of Monarchy||Title of Head of State||Monarch||Title of Head of Government|
|🇦🇩 Andorra||Constitutional||Co-Princes||Joan-Enric Vives, Emmanuel Macron||Prime Minister|
|🇦🇬 Antigua and Barbuda||Constitutional||King||Charles III||Prime Minister|
|🇦🇺 Australia||Constitutional||King||Charles III||Prime Minister|
|🇧🇭 Bahrain||Mixed||King||Hamad bin Isa Al Khalifa||Prime Minister|
|🇧🇪 Belgium||Constitutional||King||Philippe||Prime Minister|
|🇧🇿 Belize||Constitutional||King||Charles III||Prime Minister|
|🇧🇹 Bhutan||Constitutional||King||Jigme Khesar Namgyel Wangchuck||Prime Minister|
|🇧🇳 Brunei Darussalam||Absolute||Sultan||Hassanal Bolkiah||Sultan|
|🇰🇭 Cambodia||Constitutional||King||Norodom Sihamoni||Prime Minister|
|🇨🇦 Canada||Constitutional||King||Charles III||Prime Minister|
|🇩🇰 Denmark||Constitutional||Queen||Margrethe II||Prime Minister|
|🇸🇿 Eswatini||Absolute||King||Mswati III||Prime Minister|
|🇬🇩 Grenada||Constitutional||King||Charles III||Prime Minister|
|🇯🇲 Jamaica||Constitutional||King||Charles III||Prime Minister|
|🇯🇵 Japan||Constitutional||Emperor||Naruhito||Prime Minister|
|🇯🇴 Jordan||Mixed||King||Abdullah II||Prime Minister|
|🇰🇼 Kuwait||Mixed||Emir||Nawaf Al-Ahmad Al-Jaber Al-Sabah||Prime Minister|
|🇱🇸 Lesotho||Constitutional||King||Letsie III||Prime Minister|
|🇱🇮 Liechtenstein||Mixed||Sovereign Prince||Hans-Adam II||Prime Minister|
|🇱🇺 Luxembourg||Constitutional||Grand Duke||Henri||Prime Minister|
|🇲🇾 Malaysia||Constitutional & Federal||Yang di-Pertuan Agong||Abdullah||Prime Minister|
|🇲🇨 Monaco||Mixed||Sovereign Prince||Albert II||Minister of State|
|🇲🇦 Morocco||Mixed||King||Mohammed VI||Prime Minister|
|🇳🇱 Netherlands||Constitutional||King||Willem-Alexander||Prime Minister|
|🇳🇿 New Zealand||Constitutional||King||Charles III||Prime Minister|
|🇳🇴 Norway||Constitutional||King||Harald V||Prime Minister|
|🇴🇲 Oman||Absolute||Sultan||Haitham bin Tarik||Sultan|
|🇵🇬 Papua New Guinea||Constitutional||King||Charles III||Prime Minister|
|🇶🇦 Qatar||Mixed||Emir||Tamim bin Hamad Al Thani||Prime Minister|
|🇰🇳 Saint Kitts and Nevis||Constitutional||King||Charles III||Prime Minister|
|🇱🇨 Saint Lucia||Constitutional||King||Charles III||Prime Minister|
|🇻🇨 Saint Vincent and the Grenadines||Constitutional||King||Charles III||Prime Minister|
|🇸🇦 Saudi Arabia||Absolute||King||Salman||Prime Minister|
|🇸🇧 Solomon Islands||Constitutional||King||Charles III||Prime Minister|
|🇪🇸 Spain||Constitutional||King||Felipe VI||President of the Government|
|🇸🇪 Sweden||Constitutional||King||Carl XVI Gustaf||Prime Minister|
|🇹🇭 Thailand||Constitutional||King||Rama X||Prime Minister|
|🇧🇸 The Bahamas||Constitutional||King||Charles III||Prime Minister|
|🇹🇴 Tonga||Constitutional||King||Tupou VI||Prime Minister|
|🇹🇻 Tuvalu||Constitutional||King||Charles III||Prime Minister|
|🇦🇪 UAE||Federal||President||Mohamed bin Zayed Al Nahyan||Prime Minister|
|🇬🇧 UK||Constitutional||King||Charles III||Prime Minister|
|🇻🇦 Vatican City||Absolute||Pope||Francis||President of the Pontifical Commission|
Constitutional monarchies are undoubtedly the most popular form of royal leadership in the modern era, making up close to 70% of all monarchies. This situation allows for democratically elected governments to rule the country, while the monarch performs ceremonial duties.
Most monarchs are hereditary, inheriting their position by luck of their birth, but interestingly, French president, Emmanuel Macron, technically serves as a Co-Prince of Andorra.
Another unique case is the Vatican’s Pope Francis, who has absolute power in the small independent city—he gained his role thanks to an election process known as a papal conclave.
The Role of Monarchies
One of the most notable and famous ruling monarchies is the United Kingdom’s House of Windsor—also known as Queen Elizabeth II’s family. King Charles III has now ascended to the country’s throne, making him head of state in 15 nations total, including Canada, Australia, and New Zealand.
Many see the benefit in having a stable and consistent form of tradition and decorum at the country’s head of state.
“The Crown is an integral part of the institution of Parliament. The Queen [now King] plays a constitutional role in opening and dissolving Parliament and approving Bills before they become law.” – British Parliament
Japan’s royal family has been a prime example of stability, having reigned in the country for more than 2,600 years under the same hereditary line.
Critiques and the Future of Monarchy
Some claim, however, that there is no function of monarchy in the modern day, and complaints of monarchies’ immense wealth and power are rampant.
For example, according to the Dutch government, King Willem-Alexander’s budget for 2022, funded by the state and thus, taxpayers, comes out to more than €48 million.
Beyond tax dollars, with absolute monarchies there is typically a lack of political freedoms and certain rights. Saudi Arabia, for example, has no national elections. Rather its king, Salman bin Abdulaziz Al Saud, stays in power for life, appoints the cabinet himself, and passes laws by royal decree.
The death of Queen Elizabeth, though, may bring about change though for many of the world’s royally-governed. Since Barbados’ removal of her as head of state in 2021, six other Caribbean nations have expressed the desire to do the same, namely:
🇧🇸 The Bahamas
🇦🇬 Antigua and Barbuda
🇰🇳 St. Kitts and Nevis
The future of monarchy in the 21st century is certainly not a guarantee.
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