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Forced labour system

Potosí silver mining and the colonial mita

A colonial labour draft that supplied workers to one of the world's largest silver-mining centres.

When
16th–18th centuries
Where
Potosí, present-day Bolivia
A modern view of Potosí and Cerro Rico; the landscape of the colonial silver-mining system.
A modern view of Potosí and Cerro Rico; the landscape of the colonial silver-mining system.

A colonial labour draft that supplied workers to one of the world's largest silver-mining centres. Large-scale mining at Cerro Rico developed after the Spanish discovery of its silver deposits in 1545. The city of Potosí became a centre of extraction linked to Atlantic and Pacific trade.

01

Background

Silver and an imperial economy

Large-scale mining at Cerro Rico developed after the Spanish discovery of its silver deposits in 1545. The city of Potosí became a centre of extraction linked to Atlantic and Pacific trade. Mining required labour, water, fuel and refining materials on a scale that transformed the surrounding Andean economy.[1]

02

What happened

  1. 1570s

    Toledo reorganises the labour draft

    Viceroy Francisco de Toledo adapted the Andean rotating labour obligation into a colonial system that compelled Indigenous communities to provide workers. Men travelled to Potosí for assigned service, often accompanied by relatives whose work helped support them. The colonial mita served mining revenue rather than the reciprocal obligations claimed by earlier Andean rulers.[1]

  2. Colonial period

    Work beneath the mountain

    Drafted labour operated alongside wage labour and other arrangements. Dangerous underground work, exhausting conditions and inadequate returns burdened workers and their home communities. Meeting quotas could require migration, payments or substitutes, so the effects extended beyond the individuals physically working in the mines.[1]

03

Impact & evidence

An unequal source of global wealth

No reliable cumulative death register

Silver helped finance empire and international commerce. Communities supplying labour bore costs that did not appear in silver-output figures: absence from farming, family disruption, injury and disease. Frequently repeated enormous lifetime death totals for Cerro Rico require caution because the records do not support a complete count across several centuries.[2]

04

Aftermath & legacy

Distinguishing systems and periods

Potosí's history includes Indigenous expertise and negotiation as well as compulsion. Its colonial mita should not be equated with every earlier Andean labour obligation or every later form of mining. This distinction makes it possible to identify how colonial authorities redirected labour and who benefited from the resulting wealth.[1]

Sources & image credits (2)
  1. Colonial mita labour system
  2. Cambridge — Dependent labour in colonial Spanish America

Parallelepiped09 · CC BY-SA 4.0 (source record). Resized for display. Image source ↗

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