← Locate on the map
Currency history

Sierra Leonean leone

Dates in use
Still in use; introduction date not established here
Currency code
SLE
Ancestry branch
Sterling

Its place in the family

All ancestors and descendants ↗

Parents 1

Sierra Leonean leone

This currency

Children 0

No successor is established here.

Trace its ancestry backwardExplore all incoming and outgoing connections →

The story

The modern leone rescaling divides nominal amounts by 1,000. [1]

Turning points

First issue

The UN reports Sierra Leone introduced the leone on August 4, 1964, equal to ten shillings and subdivided into 100 cents. [2]

Redenominated as

Same leone continuity: 1 new unit replaces 1,000 old units. [3] [4]

Rescaled cash launch

BSL’s newsletter reports new leone circulation on July 1, 2022 at one new unit for 1,000 old. [3]

Old scale cash tender end

The IMF reports old-leone legal tender ended in December 2023; old notes remained exchangeable at BSL in its 2024 account. [5]

Sources and evidence

  1. Bank of Sierra Leone · Redenomination — Introduction
  2. United Nations Economic Commission for Africa · Economic Bulletin for Africa, Vol.VI No.1, January 1966 (E/CN.14/396)
  3. Bank of Sierra Leone, Financial Inclusion Secretariat · Financial Inclusion Newsletter, Issue No.1, Jan–Jun 2022
  4. Bank of Sierra Leone, Financial Inclusion Secretariat · Financial Inclusion Newsletter, Issue No.1, Jan–Jun 2022; International Monetary Fund · Sierra Leone: 2024 Article IV Consultation, IMF Country Report No.24/321
  5. International Monetary Fund · Sierra Leone: 2024 Article IV Consultation, IMF Country Report No.24/321

Open the complete research record →

Full claims, evidence coverage, corrections and earlier interpretations are kept separately.

Cite this page

“Sierra Leonean leone.” The Family Tree of Money. © Field Technologies, Inc. Updated 2026-10-14; data version v49. https://familytreeofmoney.org/currency/T-FTM000645.html

Editorial evidence supplement · Download the research data

Find a currency