Countries That Start With B

Countries beginning with the letter “B” span nearly every continent, from the Caribbean to Asia and Africa to South America. They vary widely in population size, geographic scale, and density. This list presents updated 2025 data, showing the demographic and spatial diversity of these nations. Descover Countries that start with B.

Table of Contents

List of Countries That Start With B in 2025

#	Country	Population (2025)	Land Area (Km²)	Population Density (P/Km²)
1	Bahamas	403,033	10,010	40
2	Bahrain	1,643,332	760	2,162
3	Bangladesh	175,686,899	130,170	1,350
4	Barbados	282,623	430	657
5	Belarus	8,997,603	202,910	44
6	Belgium	11,758,603	30,280	388
7	Belize	422,924	22,810	19
8	Benin	14,814,460	112,760	131
9	Bhutan	796,682	38,117	21
10	Bolivia	12,581,843	1,083,300	12
11	Bosnia and Herzegovina	3,140,095	51,000	62
12	Botswana	2,562,122	566,730	5
13	Brazil	212,812,405	8,358,140	25
14	Brunei	466,330	5,270	88
15	Bulgaria	6,714,560	108,560	62
16	Burkina Faso	24,074,580	273,600	88
17	Burundi	14,390,003	25,680	560

Key Highlights

Most Populous B Country: Brazil, with over 212 million people, dominates this list and is the largest South American nation.
Highest Population Density: Bahrain, a small island nation in the Middle East, has a staggering 2,162 people per km².
Lowest Population Density: Botswana, with only 5 people per km², showcases vast open terrain in Southern Africa.
Smallest by Population: Barbados and Bahamas are among the least populated, reflecting their status as small island states.
Most Densely Populated Large Country: Bangladesh stands out globally with 1,350 people per km², despite having over 175 million citizens.

Regional Distribution of Countries that start with B

Africa: Includes Benin, Botswana, Burkina Faso, Burundi — countries with high fertility rates and rapidly growing populations.
Asia: Features Bangladesh, Bahrain, Bhutan, Brunei — diverse in size and economic structure.
Europe: Belarus, Belgium, Bosnia and Herzegovina, Bulgaria are part of Eastern and Western Europe, with stable demographics.
South America: Brazil and Bolivia form a significant portion of the continent’s landmass and population.
Caribbean: The Bahamas and Barbados bring in the tropical charm with small populations and high coastal densities.
Central America: Belize is the only Central American country on this list.

Conclusion

The countries beginning with “B” offer a snapshot of the world’s diversity—from the megacities of Bangladesh and Brazil to the serene islands of Barbados and the Bahamas. Their varied population sizes and densities reflect different stages of development, urbanization, and geographic challenges.

Whether you’re tracking demographics, planning educational content, or studying global trends, the “B” countries provide valuable insight into both developing and developed nations.