Bihar Explained: Geography, History, Economy, and Culture

Bihar is a state in eastern India with a population of about 124 million, making it the third‑most‑populous state in the country. It spans roughly 94,163 km² and its capital, Patna, serves as a major economic and cultural hub. These core facts answer the most common query about Bihar’s identity.

Where is Bihar located?

Bihar lies between latitudes 24° N and 27° N and longitudes 84° E and 88° E. It is bordered by Nepal to the north, West Bengal to the east, Jharkhand to the south, and Uttar Pradesh to the west. The Ganges River runs through the centre of the state, providing fertile alluvial plains that support intensive agriculture.

What are the major cities and towns in Bihar?

The state’s urban network centers on Patna, which hosts over 2 million residents and the state legislative assembly. Other notable cities include:

• Gaya – a pilgrimage hub for Buddhists and Hindus.
• Muzaffarpur – known for its lychee orchards and a growing educational sector.
• Bhagalpur – famous for silk production (Tussar silk) and the Kosi River.
• Darbhanga – cultural heart of the Mithila region, celebrated for its Maithili art.

How many people live in Bihar and what are the demographics?

According to the 2023 provisional census, Bihar’s population stands at approximately 124 million, with a sex ratio of 918 females per 1,000 males. The literacy rate has risen to 71.3 % (2022), up from 61.8 % in 2011, reflecting expanded school enrolment and adult education programs.

What languages are spoken in Bihar?

Hindi is the official language, but several regional languages dominate daily conversation:

All three languages enjoy constitutional recognition as scheduled languages.

Why is Bihar historically significant?

From the ancient Mauryan Empire (c. 322–185 BC) to the medieval Pala dynasty, Bihar has been a cradle of Indian civilization. Key historical milestones include:

• Nalanda University – founded in the 5th century CE, it was the world’s largest residential learning centre until its destruction in 1197 AD.
• Mahavira and Gautama Buddha – both attained enlightenment in the region (Bodh Gaya and Rajgir).
• Chandragupta Maurya’s capital – Pataliputra (modern Patna) was the seat of the empire that unified most of the Indian subcontinent.

What drives Bihar’s economy today?

Agriculture remains the backbone, employing roughly 63 % of the workforce and contributing 31 % of the state’s Gross State Domestic Product (GSDP). Major crops include rice, wheat, maize, and pulses. In 2022‑23, Bihar’s GSDP reached ₹9.8 trillion (≈ US$115 billion), growing at 10.4 % year‑on‑year – one of the fastest rates among Indian states.

Industrial zones such as the Patna Industrial Area and Gaya Special Economic Zone focus on food processing, textiles, and leather goods. The state also benefits from remittances: an estimated US$7 billion flows back annually from Bihari migrants working across India and the Gulf.

How is transportation structured in Bihar?

The state’s transport infrastructure includes:

• Railways: Patna Junction handles over 200 train services daily, linking Bihar to Delhi, Kolkata, and Mumbai.
• Roads: National Highway 19 (formerly NH 2) traverses the state, while the Ganga Bridge in Patna reduces travel time across the river by 45 minutes.
• Airports: Lok Nayak Jayaprakash Narayan International Airport (Patna) records around 1.5 million passengers per year.

What are the top tourist attractions in Bihar?

Visitors often follow a “Bihar Triangle” itinerary:

1. Mahabodhi Temple, Bodh Gaya – UNESCO World Heritage site where Buddha attained enlightenment.
2. Vikramashila University ruins – once a premier centre of Buddhist learning.
3. Patna Sahib Gurudwara – birthplace of Guru Gobind Singh, the tenth Sikh Guru.
4. Barabar Caves – 3rd‑century BC rock‑cut caves featuring the oldest surviving polished interiors.

What challenges does Bihar face?

Despite rapid growth, the state contends with flood vulnerability – the Kosi River floods affect over 2 million people every five years. Additionally, healthcare access remains limited: in 2022, there were 2.6 doctors per 10,000 residents, below the national average of 8.6.

How can visitors travel responsibly in Bihar?

When touring religious and heritage sites, respect local customs by removing shoes where required and dressing modestly. To support the local economy, purchase handicrafts such as Madhubani paintings and Tussar silk directly from artisans.

Frequently Asked Questions

What is the official language of Bihar?

Hindi is the official language of Bihar, but regional languages such as Maithili, Magahi, and Angika are widely spoken and recognized in the state.

When was Nalanda University founded?

Nalanda University was founded in the 5th century CE, around 450 AD, and became the largest residential university of its time until it was destroyed in 1197 AD.

How many people live in Patna?

Patna, the capital of Bihar, has an urban population of roughly 2 million people, making it the state's largest city and a major commercial centre.

What are the main crops grown in Bihar?

The primary crops cultivated in Bihar are rice, wheat, maize, and pulses, with rice alone accounting for about 35 % of the state's agricultural output.

Which river causes the most flooding in Bihar?

The Kosi River, often called the 'Sorrow of Bihar,' is the main cause of seasonal flooding, affecting millions of residents roughly every five years.