Modern Slavery Is Not History: 10 Shocking Facts You Should Know

Modern Slavery Is Not History. It’s Hidden in Plain Sight.

When most people hear the word slavery, they think of something abolished long ago. Chains. Ships. Auctions. History books.

But slavery did not disappear. It adapted.

Today, it is more likely to look like a migrant worker trapped by debt, a child forced into labour, a woman coerced into marriage, a domestic worker unable to leave a house, or a supply chain so complex that exploitation is buried several layers away from the final product.

Nearly 50 Million People Are Trapped in Modern Slavery

The scale is staggering. The latest global estimates from the International Labour Organization, Walk Free, and the International Organization for Migration found that 49.6 million people were living in modern slavery on any given day in 2021. That is almost one in every 150 people in the world. Of those, 27.6 million were in forced labour and 22 million were in forced marriage.

And the problem is getting worse. In 2021, there were 10 million more people in modern slavery than there were in the 2016 global estimates.

Modern slavery is not one single crime. It includes forced labour, debt bondage, forced marriage, human trafficking, forced commercial sexual exploitation, domestic servitude, slavery-like practices, and the exploitation of children. What links them all is the removal of freedom: the freedom to refuse a job, leave an employer, escape a debt, or choose whether and whom to marry.

One of the most disturbing things about modern slavery is how ordinary it can look from the outside.

It can be hidden in the food we eat, the clothes we wear, the phones we use, the homes we build, the seafood we buy, and the minerals that power modern technology. Walk Free’s Global Slavery Index estimates that G20 countries import more than US$468 billion worth of products at risk of being made with forced labour. These include electronics, garments, fish, cocoa, coffee, gold, palm oil, solar panels, textiles, timber, and more.

This is why modern slavery is not only a criminal justice issue. It is a business issue. A trade issue. A procurement issue. A human rights issue. A consumer issue.

It is also extremely profitable.

Forced Labour Is a $236 Billion Criminal Economy

The ILO estimates that forced labour generates US$236 billion in illegal profits every year. That figure has risen by US$64 billion, or 37%, since 2014. Put another way, traffickers and exploiters are making close to US$10,000 per victim on average.

That number helps explain why modern slavery persists. It is not accidental. It is a business model built on coercion, wage theft, fear, and invisibility.

Women, children, and migrants are among those most at risk. Walk Free reports that more than 12 million people in modern slavery are children, and that migrant workers are three times more likely to be in forced labour than non-migrant workers. Women and girls account for 54% of all people in modern slavery, 68% of forced marriage victims, and nearly four out of five people trapped in forced commercial sexual exploitation.

Children are increasingly visible in trafficking data too. UNODC’s 2024 Global Report on Trafficking in Persons found that children now represent nearly 40% of identified trafficking victims, with child trafficking, trafficking for forced labour, and trafficking for forced criminality all rising in the aftermath of the pandemic.

Forced marriage is another part of the picture that is often overlooked. It may not always fit the public’s narrow idea of “slavery”, but it involves the same core reality: a person’s freedom is taken away. They are pressured, threatened, deceived, or coerced into a life they did not freely choose.

That is why the figure of 22 million people in forced marriage matters. It reminds us that modern slavery is not only about workplaces and supply chains. It can happen inside families, communities, and private homes.

Modern slavery exists in every region of the world and in every type of economy. It is not confined to one country, one culture, or one industry. Conflict, poverty, unsafe migration, climate pressures, discrimination, weak labour protections, and corruption all increase vulnerability. But wealthier countries are not separate from the problem. Through consumption, investment, sourcing, and trade, they are often connected to exploitation elsewhere.

This is the uncomfortable truth: modern slavery survives because it is hidden, profitable, and convenient.

It hides behind subcontractors.

It hides behind recruitment fees.

It hides behind debt.

It hides behind fake contracts.

It hides behind fear of deportation.

It hides behind cheap prices.

It hides behind the assumption that slavery belongs to the past.

But the numbers tell a different story.

Nearly 50 million people are living in conditions of modern slavery. Forced labour generates US$236 billion in illegal profits each year. G20 countries import hundreds of billions of dollars in goods at risk of forced labour. More than 12 million children are affected. And the global estimate has increased by 10 million people in just five years.

Modern slavery is not history. It is a present-day system of exploitation embedded in economies, supply chains, migration systems, and social structures.

Ending it will take more than awareness. It requires stronger laws, better enforcement, ethical recruitment, survivor protection, responsible business practices, transparent supply chains, and real consequences for those who profit from exploitation.

Most of all, it requires us to stop looking for slavery only where we expect to find it.

Because today, slavery does not always look like chains.

Sometimes it looks like a payslip that never arrives.

A passport taken by an employer.

A debt that can never be repaid.

A marriage that was never chosen.

A product that was cheap for a reason.

And until we are willing to see it clearly, we cannot end it.

Sources: International Labour Organization, Walk Free, International Organization for Migration, and UNODC. ESG Impact is a leader in helping businesses identify and manage Modern Slavery risks in their supply chain.