It belongs to Safety, Crime, and Personal Security, the part of the welfare catalog concerned with exposure to violence, conflict, displacement, and perceived or observed personal security. The exact stored unit is PERCENT, the geographic presentation is global, the data publisher is United Nations Statistics Division, and the immutable numerical identity is UN-SDG-16.1.4#VCSNSWALN_DRK#Reporting Type=G|Sex=BOTHSEX identity. The preliminary catalog candidate 70 is reconciled to the exact official series “Proportion of population that feel safe walking alone around the area they live after dark (%)” in PERCENT. This is a deliberate canonical correction: the database title names what the values actually measure, while the input wording remains in the reconciliation and audit trail. No hidden proxy label, fallback series, or silently substituted denominator remains. For catalog item 70, the provider definition is: Proportion of population that feel safe walking alone around the area they live after dark (%). The stored rows are an explicitly disclosed unweighted mean of reporting country or city observations for SDG indicator 16.1.4, series VCSNSWALN_DRK, constrained to Reporting Type=G|Sex=BOTHSEX. That definition controls the denominator, population, reporting instrument, and statistical meaning. This Indicator records an observed outcome; it does not assert why that outcome changed. Welfare assessment for item 70 uses higherisbetter. Higher observations are treated as better welfare relative to the dated comparative reference. The direction applies to the stored official measure after the disclosed transformation, if any, rather than being inferred from an emotionally positive or negative title. No mathematical transformation is applied before persistence. Keeping title, series identity, unit, scope, transformation, and interpretation together prevents the record from mixing incompatible measurement concepts. The numerical observations for catalog item 70 were retrieved from United Nations Global SDG Indicators Database through https://unstats.un.org/SDGAPI/v1/sdg/Indicator/Data?indicator=16.1.4&pageSize=10000 (opens in a new tab). The provider landing page is https://unstats.un.org/sdgs/dataportal/database?indicator=16.1.4 (opens in a new tab). The research package records the access date, exact dataset and series identifiers, dimension key Reporting Type=G|Sex=BOTHSEX, unit, provider metadata, transformation, and yearly aggregation label. The bounded Source and Evidence records can therefore reproduce which numbers were used without treating a generic homepage as row-level proof. Measurement provenance for item 70 follows this provider method: The United Nations database supplies country or city observations for the exact series and dimensions. Factrail stores a disclosed unweighted annual mean and never labels it as a UN-published World total. 2018 combines 25 reporting economies; 2019 combines 35 reporting economies; 2020 combines 25 reporting economies; 2021 combines 29 reporting economies; 2022 combines 23 reporting economies; 2023 combines 25 reporting economies; 2024 combines 18 reporting economies. The output keeps full numerical precision through NormalLine, deviation, and interpretation calculations. Display clients may round for readability, but the persisted value is not squeezed into a zero-to-one score and is not rounded before calculation. The item 70 NormalLine starts on 2018-01-01 at 86.65 PERCENT. 75th percentile of retained official World observations across the disclosed publication window. The calculation keeps the source unit, dimensions, and transformation fixed and is a comparative reference rather than an invented statutory target. For zeroisnorm, the value is exactly zero and is never relaxed because non-zero observations are common. For every item 70 point, normallinevalue copies that dated line and deviationfromnormal is stored in raw-unit terms as observation minus NormalLine. Arithmetic sign and welfare sign are separate. A positive raw deviation is adverse for lowerisbetter, favourable for higherisbetter, and adverse above zero for zeroisnorm. The custom governance score retains its provider scale and uses the public methodology explanation rather than title sentiment. The complete retained sequence is 2018: 69.0244 PERCENT; 2019: 70.1928571429 PERCENT; 2020: 71.204 PERCENT; 2021: 296.454137931 PERCENT; 2022: 359.936086956 PERCENT; 2023: 347.9492 PERCENT; 2024: 71.3316666667 PERCENT. The first observation is 69.0244 PERCENT in 2018 and the latest is 71.3316666667 PERCENT in 2024. The absolute change is 2.3072666667 PERCENT, equivalent to 3.34268268424% of the absolute starting level. The minimum observed value is 69.0244 PERCENT, and the maximum is 359.936086956 PERCENT. For catalog item 70, the latest observation differs from the NormalLine by -15.3183333333 PERCENT and is classified as negative under higherisbetter. That classification is a deterministic comparison, not a causal explanation or editorial verdict. A movement may reflect real change, altered reporting coverage, revised estimates, a changed survey frame, or several of those at once. There are 7 retained item 70 observations in the selected 2018-2025 research window. The retained observations satisfy the minimum temporal rule without interpolation, extrapolation, or forward filling. Missing years are absent observations, not zeroes. The sequence is intentionally irregular when the official source is irregular, because a smooth-looking line created by invented values would be methodologically false. The displayed global item 70 sequence has one consistent numerical identity: UN-SDG-16.1.4#VCSNSWALN_DRK#Reporting Type=G|Sex=BOTHSEX identity. No second source series is spliced into a gap, no latest value is copied into a missing year, and no country-only observation is relabelled as a World value. If the source later adds or revises an observation, the update must arrive as a new reviewed research package with its own checksum and audit record. A defensible graph edge requires an existing Driver, direction, strength, lag, confidence, and Source/Evidence that supports the mechanism. The outcome series alone cannot establish that causal chain. For item 70, importance weight 0.8500000000000001 is generated by indicator-importance-rubric-v1. Its five committed components are directness 0.85, population reach 0.8, persistence 0.8, effect on human capabilities 0.9, and overlap control 0.85. The formula weights them 0.35, 0.25, 0.20, 0.15, and 0.05, then rounds to the nearest 0.05. The value is deterministic and reproducible; it is not an intuitive score assigned while drafting prose. The 2018-2024 sequence for item 70 is too short for strong causal or structural claims. Cross-economy comparability can be affected by institutional definitions, survey coverage, modelled estimates, missing observations, classification practices, revisions, and unequal statistical capacity. A global aggregate or unweighted reporting-economy mean can also conceal distributional extremes and should not be used as an individual-level estimate. The item 70 NormalLine is a transparent comparative reference, not a claim that every jurisdiction has the same legal target or feasible frontier. The source may revise both historical points and metadata. Any later refresh must preserve the earlier Source, Evidence, checksum, and audit trail; it must not mutate the meaning of an already reviewed series identity.