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Peru macro at a glance: the rules behind the central bank, inflation, the fiscal rule and the sol

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Last verified: 2026-10-28 · Status: Changing

Peru's Constitution makes the Banco Central de Reserva del Perú (BCRP) autonomous, gives it the single goal of monetary stability and bars it from lending to the Treasury; the BCRP targets inflation in a 1 to 3 percent range and has held its reference rate at 4.25 percent through October 2026, while 12 month Lima CPI inflation stood at 4.55 percent in September. Fiscal policy runs under legislated ceilings: DL 1276 and the DL 1621 transition path cap the 2026 deficit at 1.8 percent of GDP and gross debt at 38 percent of GDP. The economy grew 3.4 percent in 2025 and 3.1 percent in January to August 2026; on 22 October 2026 the Executive announced a law to raise the 2027 deficit ceiling to 2.4 percent of GDP, which is pending.

USD figures use S/ 3.446 per US dollar, the banking system selling rate published by the Superintendencia de Banca, Seguros y AFP for 26 October 2026 and shown in BCRP statistics series PD04640PD, the latest value available on the verification date. Reserves are quoted in the US dollars the BCRP reports. Conversions are for orientation only.

Key facts

BCRP reference rate for monetary policy, October 2026	4.25 %Decreto Ley Nº 26123, art. 24, as of 2026-10-28 · in force
BCRP inflation target range	1.0 to 3.0 %Decreto Ley Nº 26123, art. 2, as of 2026-08-28 · in force
Lima Metropolitan CPI inflation, 12 months to September 2026	4.55 %BCRP series PN01273PM (INEI CPI), as of 2026-09-30 · in force
Real GDP growth, 2025	3.4 %BCRP series PM04863AA, as of 2025-12-31 · in force
Real GDP growth, January to August 2026, year on year	3.1 %MEF press release of 15 October 2026, as of 2026-08-31 · in force
MEF real GDP growth forecast for 2026 and 2027 (MMM 2027 to 2030)	3.4 %Marco Macroeconómico Multianual 2027 to 2030, Decreto Legislativo Nº 1276 art. 11, as of 2026-08-28 · in force
Non financial public sector deficit ceiling, 2026	1.8 % of GDPDecreto Legislativo Nº 1621, art. 3, as of 2024-07-08 · in force
Non financial public sector deficit ceiling, 2027 (in force; change to 2.4 percent announced 22 October 2026)	1.4 % of GDPDecreto Legislativo Nº 1621, art. 3, as of 2026-10-22 · in force
Fiscal deficit, last 12 months to September 2026	-0.9 % of GDPMEF press release of 18 October 2026, as of 2026-09-30 · in force
Non financial public sector gross debt ceiling from 2024	38 % of GDPDecreto Legislativo Nº 1621, art. 2, as of 2024-07-08 · in force
Non financial public sector gross debt, 2026 projection (MEF, 2027 Budget Bill)	29.3 % of GDPStatement of reasons, 2027 Budget Bill, as of 2026-08-28 · in force
BCRP net international reserves, September 2026	92180 USD millionBCRP series PN00027MM; Constitución art. 84, as of 2026-09-30 · in force
Banking system selling rate, soles per US dollar (SBS)	3.446 PEN per USDBCRP series PD04640PD, as of 2026-10-26 · in force
BCRP Board members	7 membersConstitución Política del Perú, art. 86, as of 1993-12-30 · in force

The rule

1. The BCRP is a public law entity with autonomy within its organic law. Its purpose is to preserve monetary stability; its functions are to regulate money and credit in the financial system, manage the international reserves in its charge and the other functions in its organic law. It must inform the country, accurately and periodically, on the state of national finances, under the responsibility of its Board. It is prohibited from financing the Treasury, except by buying Treasury securities in the secondary market within the limit set by its organic law. Issuing notes and coins is an exclusive power of the State, exercised through the BCRP.Constitución Política del Perú de 1993, Art. 83 and art. 84, 1993-12-30 official text · verified 2026-10-28

2. The BCRP is governed by a seven member Board. The Executive appoints four, including the President of the Bank; Congress ratifies the President and elects the other three by an absolute majority of its legal membership. All directors serve for the constitutional term of the President of the Republic, represent no entity or particular interest, and may be removed by Congress only for serious misconduct; replacements complete the term.Constitución Política del Perú de 1993, Art. 86, 1993-12-30 official text · verified 2026-10-28

3. The organic law repeats the single purpose of preserving monetary stability (art. 2) and gives the Board the power to set monetary policy and to fix the interest rates on the Bank's operations (art. 24). It may buy Treasury securities only in the secondary market, and the annual increase in its holdings, at acquisition value, may not exceed 5 percent of the monetary base at the close of the previous year (art. 61). Apart from that, it is prohibited from financing the Public Treasury and from lending to State development finance institutions (art. 77). It may not set multiple exchange rate regimes, and its exchange rules may not treat persons differently (art. 83).
Example: With no multiple exchange rates allowed, an importer and an exporter in Lima trade soles for dollars at the same market rate; on 26 October 2026 the banking system selling rate was S/ 3.446 per dollar. / A US$100,000 inbound capital contribution converts at that single market rate to S/ 344,600, before any bank spread.Decreto Ley Nº 26123, Ley Orgánica del Banco Central de Reserva del Perú, Art. 2, art. 24, art. 61, art. 77 and art. 83, 1992-12-29 official text · verified 2026-10-28

4. Within the mandate of art. 2 of its organic law, the BCRP runs an inflation targeting regime with a target range of 1.0 to 3.0 percent, and its reference rate for monetary policy has stood at 4.25 percent in every month from January to October 2026. Twelve month Lima Metropolitan CPI inflation rose above the range to 4.55 percent in September 2026; the MEF's 2027 budget bill assumes 3.85 percent inflation for 2026 and 2.5 percent for 2027.
Example: Local funding cost floor: S/ 3,446,000 of working capital at the 4.25 percent reference rate costs S/ 146,455 a year before any bank spread. / That is about US$42,500 a year on a US$1,000,000 equivalent facility.Decreto Ley Nº 26123 art. 2 and art. 24; BCRP reference rate series PD04722MM; MEF statement of reasons for the 2027 Budget Bill, Art. 2 and art. 24 a) of Decreto Ley Nº 26123, 2026-10-28 official text · verified 2026-10-28

5. The President must send the Budget Bill to Congress by 30 August each year, together with the borrowing and financial balance bills. The budget must be effectively balanced; loans from the BCRP or Banco de la Nación do not count as fiscal revenue; permanent expenditure may not be funded with borrowing; and no budget may be approved without an allocation for public debt service. Members of Congress have no initiative to create or increase public spending, except for Congress's own budget.
Example: The 2027 Budget Bill sent in August 2026 totals S/ 266,506 million, of which S/ 24,436 million is financed by official credit operations, including Treasury bond placements. / About US$77,338 million in total, and about US$7,091 million from credit operations.Constitución Política del Perú de 1993, Art. 78 and art. 79, 1993-12-30 official text · verified 2026-10-28

6. The medium term macro fiscal rules for the non financial public sector must be met jointly: gross debt no higher than 30 percent of GDP (a temporary deviation of up to 4 percentage points is allowed in periods of financial volatility if the other rules are met); an annual deficit no higher than 1 percent of GDP; and caps on real growth of general government non financial and current spending tied to 20 year average real GDP growth. The rules are mandatory and may be changed only exceptionally, for significant disasters or external shocks or when exogenous factors require it, through a bill the Executive sends to Congress, and any temporary change must set an explicit gradual return to the rules. The MEF sends the Multiannual Macroeconomic Framework (MMM) to the Fiscal Council by 31 July (20 August in a general election year), and the Council of Ministers approves it before 30 August.Decreto Legislativo Nº 1276, Marco de la Responsabilidad y Transparencia Fiscal del Sector Público No Financiero (original text), Art. 6, art. 7 and art. 13, 2016-12-23 official text · verified 2026-10-28

7. A transition path for the return to the art. 6 rules applies. From fiscal year 2024, non financial public sector gross debt may not exceed 38 percent of GDP and must be at or below 30 percent of GDP by 2035 at the latest, when the original debt rule applies again. The annual deficit may not exceed 2.8, 2.2, 1.8, 1.4 and 1.0 percent of GDP in 2024, 2025, 2026, 2027 and 2028, after which the original 1 percent deficit rule applies again. For 2025 to 2028, real current spending growth excluding maintenance is capped at the 20 year average real GDP growth minus 1.2 percentage points.
Example: In the twelve months to September 2026 the deficit was 0.9 percent of GDP, below the 1.8 percent ceiling for 2026; the MEF's 2027 budget bill projects gross debt of 29.3 percent of GDP for 2026 and 2027, under the 38 percent ceiling. / The announced extra S/ 18,000 million of 2027 spending equals about US$5,223 million at S/ 3.446.Decreto Legislativo Nº 1621, gradual return to the macro fiscal rules for the non financial public sector (content as set out in the Congress Political Control Subcommittee report of 21 November 2025), Art. 2, art. 3 and art. 4, 2024-07-08 official text · verified 2026-10-28 · changed: On 22 October 2026 the Executive announced that the fiscal rules will be changed by law from 2027: the 2027 deficit ceiling would rise from 1.4 to 2.4 percent of GDP, adding S/ 18,000 million (about US$5,223 million) to the 2027 budget, with a new path converging to a 1 percent deficit by 2031. As of 28 October 2026 this is an announcement, not law; the DL 1621 ceilings remain in force until Congress approves the change.

Indicator	Latest value	Reference period	Official source
BCRP reference rate	4.25%	Unchanged January to October 2026	BCRP series PD04722MM
Inflation target	1.0% to 3.0% range	Standing framework	BCRP, as cited in the MEF 2027 Budget Bill statement of reasons
Lima CPI inflation, 12 months	4.55% (0.12% in the month)	September 2026	BCRP series PN01273PM and PN01271PM
Real GDP growth	3.4% (2025); 3.1% year on year (January to August 2026); 3.2% (August 2026)	2025 and 2026	BCRP series PM04863AA; MEF release of 15 October 2026
MEF GDP forecast	3.4% in 2026 and 2027; 4.0% average 2028 to 2030	MMM 2027 to 2030, 28 August 2026	MEF
Fiscal deficit, 12 months	0.9% of GDP (ceiling 1.8%)	To September 2026	MEF release of 18 October 2026
Fiscal deficit, full year	2.2% of GDP	2025	MEF, MMM 2027 to 2030 release
Gross public debt	29.3% of GDP projected (ceiling 38%)	2026 projection	MEF, 2027 Budget Bill statement of reasons
Net international reserves	US$92,180 million (S/ 316,176 million)	September 2026	BCRP series PN00027MM and PN00026MM
2027 Budget Bill	S/ 266,506 million (about US$77,338 million)	Sent August 2026	MEF

Peru macro dashboard, verified 28 October 2026 from BCRP statistics and MEF documents. USD at S/ 3.446 (SBS selling rate, 26 October 2026), for orientation only.

Year	Ceiling in force (DL 1621)	Announced change (not yet law)
2024	2.8
2025	2.2
2026	1.8
2027	1.4	2.4
2028	1.0 (back to DL 1276 art. 6 rule)
2031	1.0 (DL 1276 art. 6)	1.0, end point of the announced path

Deficit ceilings for the non financial public sector, percent of GDP (Decreto Legislativo Nº 1621 art. 3) and the path announced on 22 October 2026 (pending a law).

Worked example

Cost of local money. A subsidiary that borrows S/ 3,446,000 (about US$1,000,000) in soles faces the 4.25 percent BCRP reference rate as the floor of local rates: S/ 146,455 (about US$42,500) a year before any bank spread. Against 12 month inflation of 4.55 percent to September 2026, that floor is a real rate of about minus 0.29 percent (1.0425 divided by 1.0455, minus 1); measured against the 2 percent midpoint of the target range it is about 2.21 percent.
CPI indexation. A lease or supply contract of S/ 1,000,000 a year (about US$290,192) adjusted by 12 month Lima CPI to September 2026 rises 4.55 percent to S/ 1,045,487 (about US$303,391), an increase of S/ 45,487 (about US$13,200). The BCRP target range tops out at 3 percent, so budget on the actual index, not the target.
Fiscal headroom. With the deficit at 0.9 percent of GDP in the twelve months to September 2026 against a 1.8 percent ceiling, the Executive has announced a change to the rules to spend an extra S/ 18,000 million (about US$5,223 million) in 2027: S/ 2,500 million in direct transfers to vulnerable families, S/ 2,000 million for maintenance, S/ 500 million for fuel subsidies and S/ 13,000 million for infrastructure. Watch for the bill in Congress; until it passes, the 1.4 percent 2027 ceiling stands.

Step by step

1. Price your Peru business case on the BCRP reference rate and Lima CPI, not on home country rates: check BCRP series PD04722MM and PN01273PM on the day you price (Decreto Ley Nº 26123 art. 2 and art. 24).
2. Put the BCRP monthly Monetary Program decision and the monthly CPI release in your planning calendar; see /calendar/.
3. Each year read the MMM, approved by the Council of Ministers before 30 August, and the Fiscal Council's opinion on it, plus the April update report (Decreto Legislativo Nº 1276 art. 11 and art. 13). They carry the official growth, deficit and debt projections that also feed the Budget Bill sent to Congress by 30 August (Constitution art. 78).
4. Track the bill that would change the fiscal rules from 2027 through Congress; under Decreto Legislativo Nº 1276 art. 7 any change needs a law and an explicit gradual return path.
5. Set an FX policy before the first wire: the sol trades at a single market rate (Decreto Ley Nº 26123 art. 83), so decide hedging for dividends, intercompany loans and imported inputs. The FX and capital controls section covers repatriation rules.
6. Follow live indicators on /dashboard/ and the country page /country/peru/.
7. If your structure involves Argentina (trade flows, FX or tax treaty questions), check the Argentine side separately in the Argentine guide; this page covers only the Peruvian rules.

Common traps

Reading the target range as a forecast. The BCRP targets 1 to 3 percent, but 12 month inflation was 4.55 percent in September 2026 and the MEF's budget assumptions put 2026 inflation at 3.85 percent.
Assuming the 2027 fiscal numbers are settled. The DL 1621 ceiling of 1.4 percent of GDP for 2027 is still law; the 2.4 percent ceiling announced on 22 October 2026 needs a law from Congress, and Decreto Legislativo Nº 1276 art. 7 requires any change to include a return path.
Ignoring spending rigidity. The MEF reports that 248 laws with adverse fiscal impact were enacted between August 2021 and December 2025, and the cost of payroll and pension measures rises from S/ 3,000 million in 2022 to S/ 50,000 million (about US$14,510 million) for 2027. That pressure, not the debt ratio, is the main fiscal risk the MEF flags.
Treating low debt as permanent headroom. Gross debt of about 29 percent of GDP is low against the 38 percent ceiling, but the MEF itself says these strengths should not be read as permanent, and the rules still require debt to return to 30 percent of GDP by 2035.
Overlooking supply shocks. The MEF attributes 2026 weakness in fishing, primary manufacturing and mining to the coastal El Niño and higher oil prices; in August 2026 fishing fell 17.3 percent and mining and hydrocarbons 5.5 percent while construction grew 10.3 percent.

Sources

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