Terrorism has affected countries across different continents, leaving behind a trail of violence, loss of lives, displacement and economic hardship. From attacks on public spaces to kidnappings, bombings and armed assaults, acts of terrorism have created fear and insecurity in communities around the world.
Although terrorism takes different forms and is driven by various political, religious, ideological and separatist motives, its consequences are often similar. Families lose loved ones, businesses are disrupted, communities are displaced and governments are forced to invest heavily in security.
Here are some countries that have witnessed terrorism and the impact it has had on their people.
1. Nigeria
Nigeria has experienced terrorism for many years, particularly in the north east, where Boko Haram began its violent insurgency in 2009. The group has carried out attacks on villages, schools, markets, religious centres and security formations.
In 2014, the kidnapping of more than 200 schoolgirls from Chibok in Borno State attracted international attention and highlighted the dangers faced by children in conflict-affected communities. The incident also inspired the global Bring Back Our Girls campaign.
The emergence of the Islamic State West Africa Province, an offshoot of the Islamic State group, further complicated the security situation in the Lake Chad region.
Beyond the north east, other parts of Nigeria have experienced attacks by armed groups, including incidents involving mass abductions and assaults on rural communities. However, not every act of violence in the country is terrorism. Banditry, communal conflict and other forms of criminal violence have different causes and may be classified differently.
The effects of terrorism in Nigeria include displacement, food insecurity, school closures, loss of livelihoods and the disruption of economic activities.
2. United States of America
The United States has experienced several devastating terrorist attacks, with the attacks of 11 September 2001 remaining among the most significant in modern history.
On that day, members of the terrorist organisation Al Qaeda hijacked four aeroplanes. Two struck the World Trade Centre in New York, one hit the Pentagon in Virginia, and the fourth crashed in Pennsylvania after passengers resisted the hijackers. Nearly 3,000 people were killed.
The attacks transformed American national security policy and prompted military operations abroad, stricter airport security measures and the creation of the Department of Homeland Security.
The country has also experienced domestic terrorism, including politically and racially motivated attacks. These incidents have raised concerns about extremism, public safety and the protection of vulnerable communities.
3. Afghanistan
Afghanistan has endured decades of conflict involving domestic armed groups, foreign military forces and international terrorist organisations.
The Taliban emerged as a major force during the 1990s, while Al Qaeda established a presence in the country. Afghanistan subsequently became the centre of international military operations following the September 2001 attacks in the United States.
Although the Taliban returned to power in 2021, violence has continued. The Islamic State Khorasan Province, commonly known as IS K, has claimed responsibility for deadly attacks against civilians, religious minorities and other targets.
Years of insecurity have damaged infrastructure, disrupted education and healthcare, and contributed to large-scale displacement. Women and girls have also faced severe restrictions under Taliban rule, although these restrictions are distinct from terrorist attacks themselves.
4. Iraq
Iraq has witnessed terrorism associated with political instability, sectarian violence and the activities of extremist organisations.
Following the 2003 invasion of Iraq, insurgent groups carried out bombings and other attacks against civilians, government institutions and security forces. The emergence of the Islamic State group brought further devastation.
In 2014, Islamic State militants captured Mosul and seized large areas of Iraqi territory. The group committed mass killings, abducted women and girls, destroyed cultural heritage and persecuted religious and ethnic minorities, including the Yazidi community.
Iraq declared victory over the group’s territorial control in 2017, but the organisation has continued to pose a security threat through clandestine cells and attacks.
The conflict has left many communities struggling with destroyed homes, damaged public services and the challenges of rebuilding their lives.
5. Pakistan
Pakistan has experienced terrorist attacks linked to several militant organisations, including the Pakistani Taliban, also known as Tehrik e Taliban Pakistan, and groups operating along the Afghan border.
One of the most notorious incidents occurred in December 2014, when armed attackers targeted the Army Public School in Peshawar, killing more than 140 people, most of them children.
The attack shocked the country and intensified calls for stronger action against militant groups.
Pakistan has also experienced attacks on religious minorities, markets, mosques, hotels and security personnel. The security situation varies across the country, with some regions facing greater risks than others.
Terrorism has affected investment, tourism, education and everyday life, while security operations and attacks have caused significant loss of life and displacement.
6. Somalia
Somalia has faced prolonged insecurity following the collapse of its central government in 1991. The resulting instability created conditions in which armed groups gained influence.
Al Shabaab, an extremist organisation affiliated with Al Qaeda, has carried out attacks against civilians, government officials, security personnel and international targets.
In October 2017, a massive truck bombing in Mogadishu killed hundreds of people, making it one of the deadliest attacks in the country’s history.
Al Shabaab has continued to challenge the Somali government through bombings, assassinations and assaults on military positions. The group has also targeted public places and humanitarian activities.
The consequences include displacement, interrupted education, limited economic opportunities and additional difficulties for communities already affected by drought and food insecurity.
7. Kenya
Kenya has experienced terrorist attacks linked mainly to Al Shabaab, particularly because of its involvement in regional security operations in Somalia.
In September 2013, armed attackers stormed the Westgate shopping centre in Nairobi, killing dozens of people. The attack attracted international attention because civilians were deliberately targeted in a public place.
In April 2015, Al Shabaab militants attacked Garissa University College, killing 148 people, most of them students.
These incidents exposed the vulnerability of educational institutions and commercial centres to terrorism.
Kenya has since strengthened security measures, intelligence gathering and cooperation with regional partners. Nevertheless, the threat of attacks has continued to influence security planning, tourism and public confidence.
8. France
France has witnessed several major terrorist attacks in recent decades, including incidents linked to extremist organisations and individuals inspired by radical ideologies.
In January 2015, gunmen attacked the offices of the satirical magazine Charlie Hebdo in Paris, killing members of its staff and others. Later that year, coordinated attacks across Paris, including at the Bataclan concert hall, killed 130 people.
In July 2016, a man drove a lorry into crowds celebrating Bastille Day in Nice, killing 86 people.
These attacks prompted France to strengthen counterterrorism laws, increase security at public events and improve intelligence cooperation.
The country has also had to address questions surrounding radicalisation, freedom of expression, public safety and the protection of religious communities.
9. United Kingdom
The United Kingdom has experienced terrorism associated with different political and ideological causes.
For decades, the conflict in Northern Ireland, known as the Troubles, involved violence by republican and loyalist paramilitary organisations. Bombings, shootings and other attacks affected communities in Northern Ireland and mainland Britain.
In more recent years, the country has also experienced attacks linked to Islamist extremism and far right ideology.
In July 2005, suicide bombers attacked London’s transport network, killing 52 victims. In May 2017, a suicide bombing at the Manchester Arena following a concert killed 22 people, including children.
These incidents led to renewed efforts to improve public security, identify extremist threats and protect crowded venues.
The experience of the United Kingdom demonstrates that terrorism can arise from different ideologies and political conflicts rather than a single religious or cultural background.
10. Sri Lanka
Sri Lanka experienced decades of conflict involving the Liberation Tigers of Tamil Eelam, commonly known as the LTTE, which sought an independent Tamil state.
The group used suicide bombings, assassinations and other violent tactics during its campaign. The conflict ended in 2009 following a military offensive by government forces, although the final stages of the war remain controversial because of allegations of serious human rights abuses.
In April 2019, coordinated suicide bombings targeted churches and hotels on Easter Sunday, killing more than 250 people. The attacks were attributed to a local Islamist extremist network, with investigations examining links to the Islamic State group.
The bombings devastated families, damaged tourism and raised serious questions about intelligence failures and the protection of religious gatherings.
Sri Lanka’s experience illustrates how terrorism can emerge from different movements at different points in a country’s history.
11. India
India has experienced terrorism linked to separatist movements, religious extremism and armed insurgencies.
One of the most notorious incidents occurred in November 2008, when gunmen carried out coordinated attacks across Mumbai, targeting hotels, a railway station, a Jewish centre and other locations. More than 160 people were killed.
India has also faced attacks in Jammu and Kashmir, as well as violence involving various militant groups in other regions.
The country’s size and diversity mean that security challenges differ considerably between states and territories. Not every insurgency or act of political violence is necessarily classified as terrorism, and the circumstances of each incident matter.
The consequences of terrorist attacks include loss of life, increased security spending, disruptions to commerce and tensions between communities.
12. Israel
Israel has experienced decades of terrorism and other forms of political violence associated with the Israeli Palestinian conflict, as well as attacks by armed groups operating in the region.
On 7 October 2023, Hamas and other Palestinian armed groups launched an attack on southern Israel, killing about 1,200 people and taking approximately 250 hostages, according to Israeli authorities and subsequent reporting.
The attack was followed by Israel’s military campaign in Gaza, which has caused extensive destruction, mass displacement and a severe humanitarian crisis among Palestinians. The conflict has also affected regional security and contributed to further violence.
The events demonstrate the devastating consequences of attacks against civilians and the wider impact of prolonged conflict. The protection of civilians and adherence to international humanitarian law remain essential, regardless of the identity of those responsible for violations.
13. Turkey
Turkey has experienced terrorism linked to several organisations and political conflicts, including attacks attributed to the Islamic State group and the Kurdistan Workers’ Party, known as the PKK, which Turkey, the United States and the European Union designate as a terrorist organisation.
In October 2015, suicide bombings at a peace rally in Ankara killed more than 100 people. The attack was attributed to an Islamic State linked network.
Other attacks have targeted airports, public gatherings, security personnel and commercial areas.
Turkey’s position between Europe and the Middle East, together with conflicts in neighbouring Syria and Iraq, has influenced its security challenges.
Terrorism has affected tourism, public confidence and political debate, while counterterrorism operations have raised additional questions about human rights and regional stability.
14. Indonesia
Indonesia, the world’s largest Muslim majority country, has experienced terrorist attacks linked to extremist organisations, including Jemaah Islamiyah and networks inspired by the Islamic State group.
In October 2002, bombings in Bali killed 202 people, including foreign tourists. The attacks severely affected the country’s tourism industry and prompted a major expansion of counterterrorism efforts.
In May 2018, suicide bombings targeted churches in Surabaya, killing civilians, including children.
Indonesia has since strengthened law enforcement, intelligence operations and programmes aimed at preventing radicalisation. Its experience shows the importance of community engagement, effective policing and efforts to prevent extremist recruitment.
15. Philippines
The Philippines has experienced terrorism linked to several armed groups, including Abu Sayyaf and Islamic State-affiliated militants.
The southern region of Mindanao has faced decades of conflict involving separatist movements, extremist organisations and government forces.
In May 2017, militants associated with the Islamic State group seized parts of Marawi, leading to a five month battle that caused extensive destruction and displaced hundreds of thousands of residents.
The conflict disrupted education, trade and essential services. Although a peace agreement with the Moro Islamic Liberation Front has helped advance autonomy arrangements in parts of Mindanao, other armed groups have continued to pose security concerns.
The Philippines’ experience highlights the importance of addressing longstanding political grievances alongside security operations.
The global impact of terrorism
The countries listed above represent only a selection of places that have experienced terrorism. Other affected countries include Burkina Faso, Mali, Niger, Chad, Egypt, Algeria, Russia, Spain and Germany, among others.
The causes, scale and frequency of attacks differ from one country to another. Some face organised insurgencies that control territory, while others experience isolated attacks carried out by small networks or individuals.
Despite these differences, terrorism can have far reaching consequences.
-Loss of lives: Attacks leave families grieving and communities traumatised. Survivors may also experience lasting physical injuries and psychological distress.
-Displacement: People may be forced to abandon their homes, farms, schools and businesses to escape violence.
-Economic disruption: Terrorism can discourage investment, reduce tourism, interrupt trade and increase the cost of security.
-Education and healthcare challenges: Schools, hospitals and other essential facilities may close or become inaccessible, particularly in areas affected by prolonged conflict.
-Social division: Attacks may increase fear, prejudice and suspicion between religious, ethnic or political groups, especially when entire communities are unfairly blamed for the actions of extremists.
Terrorism should not be used to define an entire country, religion or population. Most people living in affected areas are civilians who want to live in peace, raise their families and pursue their ambitions without fear of violence.