"pirámide de edades" meaning in Spanish

{
  "forms": [
    {
      "form": "pirámides de edades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "pirámide de edades f (plural pirámides de edades)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "pi‧rá‧mi‧de"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "population pyramid"
      ],
      "id": "en-pirámide_de_edades-es-noun-gGPqelCW",
      "links": [
        [
          "population pyramid",
          "population pyramid"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/piˌɾamide de eˈdades/"
    },
    {
      "ipa": "[piˌɾa.mi.ð̞e ð̞e eˈð̞a.ð̞es]"
    }
  ],
  "word": "pirámide de edades"
}

{
  "forms": [
    {
      "form": "pirámides de edades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "pirámide de edades f (plural pirámides de edades)",
      "name": "es-noun"
    }
  ],
  "hyphenation": [
    "pi‧rá‧mi‧de"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with red links in their headword lines",
        "Spanish terms with IPA pronunciation"
      ],
      "glosses": [
        "population pyramid"
      ],
      "links": [
        [
          "population pyramid",
          "population pyramid"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/piˌɾamide de eˈdades/"
    },
    {
      "ipa": "[piˌɾa.mi.ð̞e ð̞e eˈð̞a.ð̞es]"
    }
  ],
  "word": "pirámide de edades"
}