The least inhabited U.S. state is Wyoming, consistently ranking last in total population with around 587,000 residents as of recent estimates, also holding the lowest population density, making it the most spread out state. Following Wyoming are Vermont and Alaska as the next least populous states.
1. Vatican City (800) The spiritual and administrative centre of the Catholic Church, Vatican City is the least populated country in the world. Nestled within Rome, it has an estimated population of around 800 residents.
Alaska. Alaska is by far the least densely populated of the US states and has 1.3 persons per square mile. The demographics of the state reflect 64.1% as non-Hispanic white and 14.8% as Native American.
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The Republic of Molosssia , which has a total land area of 6. 3 acres and is the world's smallest republic , it has a population of only 33 people and is the world smallest republic.
South Sudan ranks as the poorest country globally, grappling with prolonged civil war, oil dependency, and severe food insecurity. The ongoing conflict disrupts agricultural production, leaving over 60% of its population in need of humanitarian assistance.
The worst performing states are Tasmania, with incomes 26% below the national income and wealth average, as well as South Australia which is 19% below the average household income and 20% below the national net wealth.
Trentham best tiny town in Australia. This morning Trentham was officially named the Top Tiny Tourism Town at the Australian Top Tourism Town Awards, against some formidable competition, including Robe (SA), Kalbarri (WA), Huskisson (NSW), Stanley (Tas) and Town of 1770 (Qld).
NSW had the highest level of net overseas migration with 186,433 people arriving, followed by Victoria (161,758) and Queensland (87,954). The Northern Territory had the lowest level with 3,189 people.
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Several states have less than 1,000,000 people, and Wyoming holds the title of the least-populated state, with fewer than 600,000. How do the other states rank?
The richest country by GDP (PPP) per capita is often cited as Singapore, followed closely by Luxembourg, depending on the specific report and year, with Singapore leading in 2025 estimates with around $156,000-$157,000 per person, while Luxembourg is a strong contender just below that, highlighting small, finance-heavy economies as wealthiest per person.
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For some of the world's countries, the answer is very, very small, even teeny tiny. Vatican City holds the title as the world's smallest country, with an area of just 0.17 square mile (0.44 square km). As a point of comparison, the largest country in the world, Russia, is almost 39 million times bigger.
In 2025, India overtook China as the world's most populous country and now has almost 1.46 billion people. China now has the second-largest population in the world, still with just over 1.4 billion inhabitants, however, its population went into decline in 2023.
The Republic of Molossia (moe-LAAHSS-eeyah) is a sovereign, independent nation, located in and completely surrounded by territory of the United States. With a total area of 17,920 sRN (4.5 ha / 11.3 acres), Molossia is one of the smallest nations on earth, but what it lacks in size it makes up for in spirit.
The least memorable state in the U.S. is Missouri. That's according to quiz site Sporcle's U.S. States Quiz. Players have attempted to name all 50 states more than 35 million times, and Missouri is the state with the lowest percentage of people who guessed correctly.
Kiribati
Kiribati – a remote island nation in the Micronesia region of the Pacific Ocean – is the least-visited country in the world. Its 33 atolls and islands straddle the equator, sitting just above sea level, making them among the world's most climate-vulnerable.