Spirituality is a personal experience. You could be a devout follower who actively participates in the rituals; on the other hand, you might consider that this is all nonsense and choose to avoid the self-help directories. This is a healthy little thing that you should absolutely familiarize yourself with, regardless of whether the term "spiritual" excites or irritates you. So what is the true meaning of spiritual age?
There is some knowledge of who you are on the inside, even if you're not into the entire 9-yards of continuous self-improvement. Answering the question, "Are you a happy person with sad moments or a sad person with happy moments?" is a lot like this. When it comes to seeing the broad picture, you know what the best course of action is for you, regardless of how your present stage of life—or even today, for that matter—may look.
Similarly, even if you haven't given this much attention, you will be able to identify the ages at which you began to blossom into your core self, your genuine self, whether that blossoming was positive or negative. As you venture into a really spiritual area, you could also be able to foresee future ages that you have a strong sense would be pivotal in your life.
Now close your eyes and think about this. Have you thought of a number? The next step is to reflect on the age in issue and attempt to comprehend what and why this would be so important to you. It's interesting to note that you might have more than one spiritual age, and that too in great distances from one another! Except for being totally true to yourself when you choose to take some time to reflect, there aren't really any guidelines to this. As you age physically and emotionally, your spiritual age may likewise increase or remain constant for years or even eternally.
Happy Calculating!